Find an equation for the nth term of the arithmetic sequence. 9, 11, 13, 15, answer choices a) an = 9 + 2(n - 1) b) an = 9 + 2(n + 1) c) an = 9 + 2 d) an = 9 + 2(n)

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

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.