Let X be the charge for an oil change, and let the tax on X be 7% so that the actual charge is 1.07X. Let Y be the number of containers of oil that are needed, and $2 the price per container. Then 2Y is the price of the oil itself. The Cov(X, Y) is 5.6. What is the the Cov(1.07X, 2Y)

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!