Which of the following can be used to find the
absolute value of 4 - 71?
4²+(-772
42+72
v (4 - 71)2

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.