Given the function h(x) = x^2 + 10x + 20, determine the average rate of change of the function over the interval -10 ≤ x ≤ -3.

please help!

Use the foil method to find (z− 5/3 )(z− 2/3 )

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?