Which of the given pairs of expressions are equivalent? Select all that apply, A. 3z+2z and 5z
B, (8x-8x)-y and 0
C. 9.1+4.5a-2.5a and 11.1a
D. -7y(3)-3 and 0
E. y-6(3) and y-18

What is the factored form of x2 − 4x − 5? (x + 5)(x − 1) (x + 5)(x + 1) (x − 5)(x − 1) (x − 5)(x + 1)

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

Combine like terms to make a simpler expression 3z+z