For which values of x does each expression make sense? √(-2x)^2
√(-5y)^3
√|x|-2
√|x|/√|x|-5
PLS HELP ASAP

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

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?