Convert this rational number to its decimal form and round to the nearest thousandth "4/7

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'