9/4 divided by 3/4 (written as a fraction)

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so

How many times larger is 9 × 10^8 than 3 × 10^-5? a. 3 × 10^13 b. 3 × 10^-40 c. 3 × 10^-13 d. 3 × 10^3