B=16 m, b2= 8 m, h = 4.5 m find the area of the trapezoid with the given measures

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1