Evaluate the expression when x=-3

x ^2 + 8x-7

Which is an equation for the nth terms of the sequence 12,15,18,21

Asap i need it now choose all the answers that apply. sex-linked disorders affect males more than females affect females more than males can be carried by females, without being expressed are always expressed in males are caused by genes carried on the x and y chromosomes

What is the value of x in the following equation. -x ^3/2 = -27