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120a^4b^4

Step-by-step explanation:

Personally I would split this into steps. I would first multiply (4a^2b) with (-2ab^2). Using distributive property the product would be -8a^3b^3.Then I would multiply -5 with 3ab, which would be -15ab. Finally, I would multiply -15ab with -8a^3b^3, which is 120a^4b^4

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

36

step-by-step explanation: