Like terms are terms that have the same variable no matter the coefficient value such as a negative or positive coefficient (number right to left of the variable aka the letter representing an unknown amount of value).

A. 8n : - 4n becuase the have the same variable (N)

B. - 2d: D because they have the same variable and even if d has no coefficient, it still has value, variables with no coefficient always equal 1 no matter the circumstances

C. - b: 17b and -3b2 because they both have the same variable eliminating the coefficients being two different types of numbers (positive and negative). The expressions have to have the same variable.

D: 4y², -3y2,4y, and 4 to the second power. This is because they all have the same variable.

E. 6x2y: 3xy because the variable are specifially xy and they must be in order to be like terms.

abc: all because they have all the letters but are just in different orders of variables. (thats all)

8 0

3 years ago

Pls help me solve pls show how you got the answer

love history [14]

Answer:

12.8

Step-by-step explanation:

Find the difference between 1.9 and 1.5 (Divide them)

You get 1.9 ÷ 1.5 = 1.26

Then multiply the answer with 8,

8 x 1.26 = 12.8 (Nearest tenth)

Have a great day :)

4 0

3 years ago