Which expressions are equivalent to 3(-2a-4)+3a

- 3a - 12

Step-by-step explanation:

3(- 2a - 4) + 3a

- 6a - 12 + 3a

- 3a - 12.

- 3a - 12 = 0

- 3a = 12

a = -12/3

a = -4

i dont know if you cant find a way its best to actually add all of them start from 105 tho

step-by-step explanation:

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt