Which expression is NOT equivalent to the other three

A - 9-7n+16n

B 9{n-9}

C n-9+8n

D 9n-9

This model stands for 138. What number will it stand for if you add a hundreds square and a tens rod?

The route used by a certain motorist in commuting to workcontains two intersections with traffic signals. The probabilitythat he must stop at the first signal is 0.39, the analogousprobability for the second signal is 0.

Solve the equation y^2 - 11y = - 28.

The ratio of hours in a day to hours in a week Ratio:

Will practices piano for 1/4 hour, 1/2 hour or 3/4 hour every other day if a line plot shows two Xs above each value of time what is the total amount of time will has spent practicing? Sorry i dont understand

For what values of x is x2-36=5x true? answer is b on edge

In circle T, A. 3 B. 4 C. 6 D. 7

What is the value of x when the Richter scale rating is 3.8?

There are six marbles in a bag, three are green and Three are yellow. If you draw marble, replace it, and then draw another what is the probability of choosing two yellow marbles

Simplify the following questions: 7f-5 (4f+9)