Which expression results in a product that is rational? (a)square root of 7 times square root of 10 (b)square root of 8 times square root of 10 (c) square root of 9 times square root of 10 (d)square root of 10 times square root of 10

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

Use the distributive law to multiply. 3(4x + 5y + 6)

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882