Which algebraic expression has a term with a coefficient of 9? O A. 6 + x-9
O B. 6(x + 5)
O C. 6x - 9
O D. 9x= 6

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet

Math question.. plz me .. best answer all

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.