Which integer represents the total change in altitude of an airplane descending 5 feet every second for 15 seconds

Match each expression with its simplified form.

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.