Simplify 2x + x.

2x²

3x

3x ²

Membership at the healthy you gym is a $40 initial fee and $5 a visit. If sanjaya's bill was $105, how many times had he visited the gym?

Which number is an irrational number? a) square root of 100 b) 1/8 c) - 2.2675 d) exponent 3 square root of 16

What is the surface area of the cylinder with height 5 ft and radius 5 ft? Round your answer to the nearest thousandth.

Jackie is thinking of making extra money by typing papers on her word processor. If she wants to make $10 an hour, how much should she charge per page? Assume that she can type 120 words per minute. (Assume a page consists of 360 words.)

Steven has 24 t-shirts. One third of the t-shirts are white, one fourth of the t-shirts are blue; the remainder of the t-shirts are orange. How many orange t-shirts does he own

The function f (x) = 2x is a logarithmic function. true or false

Name 3 sets of supplementary angles

A car travels 200 miles in the same time that a train travels 300 miles. The speed of the train is 20 miles per hour more than the speed of the car. Which equation could be used to determine the speed of the car, r, in miles per hour?

A rectangle contains 17 identical grey squares and in the whole rectangle there are 50 squares what percent is the rectangle shaded

Is 18 a polynomial? Explain your reasoning