Question 7 Find the IQR for the following data set: -4,-2.1, -3.2,-0.1, 0, -0.5, -1, -0.8. - 1.1.-1.4,-1.9

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25