Determine which of the following expressions requires combining like terms before it is considered to be in its simplest form. Select all situations that apply.

4x + 3y - 7x

a2 + a2 - b

5y - x

a2 + a2b

-5w2 + y - 4w2 - 8y

What is pq plus p/q minus r?

Which ordered pair is the solution to the system of linear equations y=5x+8 and y = - 4x-1

Estimate the value of this expression by rounding each number to the nearest whole unit. (2.42) (8.82) (4.23) A. 108 B. 64 C. 72 D. 96

Write and solve a real-word word problem in which there are 3 tables for every 8 chairs

Juan divided 12 jar of fish food into 7 equal parts. He feeds his fish one part each day. What fraction of the jar of food will Juan will feed his fish each day? Enter your answer as a fraction in simplest form by filling in the boxes.

What is the sum of x + y when x = - 2.7 and y = 5.2? A. -7.9 B. -2.5 C. 2.5 D. 7.9

Which graph shows a negative correlation? 10Ty 9+ 8+ CON + 1 2 + 3 + 4 + 5 + 6 + 7 8 9 000

Twice the difference of a number and seven

Dec 14, 2015 - You and a friend each have a collection of tokens. Initially for every 8 tokens you had, your friend had three. After you give half of your tokens to your. friend

The population of a city is currently 1500. It is expected to triple every - years. Find the population after 30 years.