Add the difference between 2 ⅞ and 1 ¾ to the product of ¼ and 2 ½ . then divide the answer by 1 ¾. what is the final answer?

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

answer: what in the world is this

step-by-step explanation:

tip $2.90

total $17.40

6^2 or 36

step-by-step explanation:

6000n

6×1000n

6×10^3 n

so we need 6n need to be a perfect cube

so n has to be 6^2 so that 6n is 6^3

what i'm saying is if you let n be 6^2 you have 6^3×10^3 or 60^3 which is a perfect cube