Which of the following demonstrates the commutative property across multiplication for 2 × 10 × 7           a. 2 + 10 × 7   b. 2 × (10 × 7)   c. 10 ×7 × 2   d. (2 × 10) × 7

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)

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Which equation represents the model shown? a)1/3 divide 1/6 = 2 b)2/3 divide 1/6 = 2/18 c)1/3 divide 1/6 = 1/18 d)2/3 divide 1/6 =4