Which expressions are polynomials? Select each correct answer.

x - 1

5x ^ 2 - sqrt (x)

8x - z ^ 3

6 + p

Create an expression that is equivalent to 9{3x + 5+x] without using the parentheses.

Sarah is buying plants and soil for her garden! The soil Sarah wants costs $3.50 per bag, and the plants she wants are $8 each. Sarah can buy at most 20 items, as this is all she can fit in her car, and she cannot spend more than $150.

Another way to write the expression 4 • (2 + b) ?

Use the data on the right to find the distance of each boy's height from the mean. distance from mean: x - μ distance of jose's height from mean: in. distance of jamal's height from mean: in.

What is the solution for x in the equation? 5/3x + 4 = 2/3x A. x = - 12/7 B. x = 4 C. x = 12/7 D. x = - 4

At 3:00 ok a truck and a car leave the same intersection traveling in the same direction. The truck is traveling at 43 mph and the car is traveling at 58 mph. At what time will they be 12 mi apart?

Express the recurring decimal 0.56 as a fraction in its simplest form

A square garden plot measures 44 yards on each side. What is the length of the diagonal of this plot?

What are the roots of the equation X squared plus 6X - 9 equals zero?

Eli is making guacamole. He uses 2 tablespoons of cilantro for every 3 avocados. At this rate, how many tablespoons of cilantro will he need for 9 avocados?