Assume all variables represent positive values solve h= -16t²+vt+c for v solve f=9/5c+32 for c solve p=xy/a+bx for c solve v=1/3πr²v for r

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?