Questions in Grade High-school

Questions in Grade High-school

[Open]What was the first plantation crop that Europeans grew on the plains of northeast Brazil?

[Open]The toll on the Islands Bridge is $1.00 for the car and driver, and $0.75 for each additional passenger. How many people were riding in a car for which the toll was $3.25? A. 2 B. 3 C. 4 D. 5 E. None of these

[Open]If [tex]x + y = 7[/tex] and [tex]xy = 4[/tex], then find the value of [tex]x^2 + y^2[/tex].

[Open]Solve for x: \[ \log 6x - \log 2 = 1 \]

[Open]Many economists believe that since resources are scarce and since human desires cannot all be _, a method of _ is needed. A. indulged . . apportionment B. verified . . distribution C. usurped . . expropriation D. expressed . . reparation E. anticipated . . advertising

[Open]How do humans use their genes to produce more than 22,000 proteins?

[Open]At what point does the graph of \(5x + 4y = 12\) intersect the y-axis?

[Open]Animals that can control the direction they move in all have A. a home in the ocean. B. development as a deuterostome. C. muscles. D. radial symmetry.

[Open]Red-eyed tree frogs: A. are green and do photosynthesis, so they do not need to eat or drink. B. are not frogs because frogs never have red eyes. C. live in banana trees. D. none of the above

[Open]If \( y \, \mathbin{\Diamond} \, x = y^{2x} \) for all positive integers, then \( (3 \, \mathbin{\Diamond} \, 4) \, \mathbin{\Diamond} \, 2 = \)