Use the formula to solve the problem. round to the nearest hundredth. volume of a sphere: v = 4/3r3 surface area of a sphere: a = 4r2 find the surface area of a sphere with a radius of 1 inch. cubic in.

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

If the value of cos330°is√3/2 then find cos 165°.

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?