What is 2/5 divided by 5/7 in fraction form, not decimal

Below is the five-number summary for 136 hikers who recently completed the John Muir Trail (JMT). The variable is the amount of time to complete the 212-mile hike from Yosemite Valley across the high Sierras to the top of Mount Whitney.

Solve for x. 1+|2+x|=9 x = 6 or x=-10 x = 5 or x=-9 x = 7 or x=-11 x = 4 or x=-8

What is the value of k in the function ƒ (x) = 112 - kx if ƒ (-3) = 121?

Is 8/10 greater than. 75

Three times a number y is greater than - 10

Find the solutions to the equation below check all that apply 9x^2-81=0 A. x=9 B. x=1 C. x=-9 D. x=-3 E. x=3 F. x=-81

4 (x+2) = 2 (x+3) + 2 (x-1) answer?

8x-2=4+5x I got x=2 is that correct

Seven pipes empty a water tank in five days. In how many days would four pipes empty this tank?

F (x) = x2 + 9, g (x) = * square root of * x + 8, find g (f (x))