20 Select the correct answer.
Which expression is a factor of this polynomial?
13 + 2.12 – 9r – 18
O A. (x – 6)
O B. (x - 2)
OC. (x + 1)
OD. (x + 2)

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

Bring the fraction a/a-4 to a denominator of 16-a^2

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?