If y varies directly as x and y =12 when x=-2,find y when x = -7

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

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.

Is the square root of 4 plus the square root of 16 rational?