For the problems below, simplify if possible. If not, write "not possible".

11.) 3a - 5 - a

12.) 5s - 9

13.) 3 * 2 * a * a * b

14.) 3 (x - 1) + 5x

15.) 7 (1 + 2) + 8c

Given that 2*+7=27 and 3*+1=28, does 2*+7=3*+1? explain

The length of a rectangle is 5/2 units greater than twice its width. If its width is w, which expression gives the perimeter of the rectangle in terms of w? A. 2 (5/2w) + w B. 5/2 w + w C. 3w + 10/2 D. 6w + 5

A scientist used 786 millimeters of liquid for an experiment. How many liters of the liquid did the scientist use for the experiment?

Is y = 3x2 + 2x2 + x a polynomial? O Yes, it's a polynomial O No, it's not a polynomial Explain your thinking.

The sum of the three interior angles of a triangle is 180 degrees. true false

The tax rate on Jerome James 112000 vacation home is 25 Mills the property is assessed at full value how much will Jerome pay in tax this year

The circumference of a circle is 16. ft The radius is Intro

What is 8/3 as a decimal

Predict how many times you will roll a number less than 5 if you roll a standard number cube 200 times. Round to the nearest integer, if necessary.

13. The rate of ascent for the Discovery space shuttle is 114km in 8.5 minutes a) What speed is this in km/min?