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Recent Questions

In **Biology** / **High School** | 2025-07-03

[Open]In the dihybrid cross, what fraction of the parents had black fur and black eyes? What about the offspring?

In **Mathematics** / **High School** | 2025-07-03

[Open]Solve the equation [tex]$6 x-3=-12$[/tex].

In **Mathematics** / **College** | 2025-07-03

[Open]6. If [tex]p =\frac{-4}{9}, q =\frac{2}{3}, r =\frac{-8}{11}[/tex]. Verify the following: a) [tex]p+(q+r)=(p+q)+r[/tex] b) [tex]p \times q=q \times p[/tex] c) [tex]p \times(q+r)=(p \times q)+(p \times r)[/tex]

In **Mathematics** / **College** | 2025-07-03

[Open]Which expression is equivalent to $\sqrt{128 x^8 y^3 z^9}$ ? Assume $y \geq 0$ and $z \geq 0$. A. $2 x^2 z^2 \sqrt{8 y^3 z}$ B. $4 x^2 y z^3 \sqrt{2 x^2}$ C. $8 x^4 y z^4 \sqrt{2 y z}$ D. $64 x^4 y z^4 \sqrt{2 y z}$

In **Mathematics** / **High School** | 2025-07-03

[Open]Eight identical slips of paper, each containing one number from one to eight, inclusive, are mixed up inside a bag. Subset A of the sample space represents the complement of the event in which the number 6 is drawn from the bag. Which shows subset A? A. [tex]$A={6}$[/tex] B. [tex]$A={1,3,5,7}$[/tex] C. [tex]$A={1,2,3,4,5,7,8}$[/tex] D. [tex]$A={1,2,3,4,5,6,7,8}$[/tex]

In **Mathematics** / **College** | 2025-07-03

[Open]Solve for $x$ in the equation $x^2-12 x+36=90$. A. $x=6 \pm 3 \sqrt{10}$ B. $x=6+2-\sqrt{7}$ C. $x=12+3 \sqrt{22}$ D. $x=12 \pm 3 \sqrt{10}$

In **Chemistry** / **College** | 2025-07-03

[Open]A student takes a measured volume of 3.00 M HCl to prepare a 50.0 mL sample of 1.80 M HCl. What volume of 3.00 M HCl did the student use to make the sample? Use [tex]M_i V_i=M_f V_f[/tex]. A. 3.70 mL B. 16.7 mL C. 30.0 mL D. 83.3 mL

In **Chemistry** / **College** | 2025-07-03

[Open]Identify the base in this acid-base reaction: [tex]2 HC_2 H_3 O_2+Mg(OH)_2 \rightarrow Mg\left(C_2 H_3 O_2\right)_2+2 H_2 O[/tex] A. [tex]HC _2 H _3 O _2[/tex] B. [tex]Mg ( OH )_2[/tex] C. [tex]Mg \left( C _2 H _3 O _2\right)_2[/tex] D. [tex]H _2 O[/tex]

In **Chemistry** / **College** | 2025-07-03

[Open]Propane burns in air to produce carbon dioxide and water. What is this type of chemical reaction called? A. synthesis B. combustion C. decomposition D. single replacement

In **Social Studies** / **High School** | 2025-07-03

[Open]On average, how many years does it take to complete an associate's degree? A. 3 B. 2 C. 4 D. 1