Consider the circle
.

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

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

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.