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Questions in Grade Middle-school

[Open]Convert \(\frac{30}{5}\) into a mixed number.

[Open]What happens to reactant molecules when forming product molecules?

[Open]25.5 is what fraction?

[Open]What is 65% of 186?

[Open]What is 0.4% of $100?

[Open]What is the value of the digit 7 in 0.37 compared to the value of the 7 in 0.73?

[Open]Is 2340 divisible by 90?

[Open]Solve the proportion \(\frac{K}{7} = \frac{32}{56}\). Find the value of \(K\).

[Open]What role did nature play in the celebrations of the Iroquois?

[Open]Lisa is standing on a dock beside a lake. She drops a rock from her hand into the lake. After the rock hits the surface of the lake, the rock's distance from the lake's surface changes at a rate of [tex]-5[/tex] inches per second. If Lisa holds her hand [tex]5[/tex] feet above the lake's surface, how far from Lisa's hand is the rock 4 seconds after it hits the surface?