Solve for k, the constant of variation, in a joint variation problem where y = 520, x = 5, and z = 6.5

You spent $10 on office supplies out of a $25 budget. What percentage did you spend

Explain how u can turn 5,400 in hundreds

Mara spent 3/5 of her vacation in British Columbia. While in that province, she spent 1/2 of her time in Vancouver.

The graph of the parabola defined by the equation y = - (x+1) ^2+1 is shifted 1 unit to the right, then shifted 5 units down, then rotated 180 degrees about its vertex. The resulting parabola has zeros at x=a and x=b, where b > a. What is b-a?

A square has an area of 81 cm. (squared) What is the length of each side?

280 gigabytes means?

what is 10^5 divided by 10^2 as a power? my answer book is incorrect so i dont know if i got it right

in a class, 1/5 of the students have blue eyes. If there are 20 students in the class how many have blue eyes?

How to divide a whole number by a fraction khan academy?

If jack has 2 apples, how long would it take him to go to the sun and back to the earth if he lives in Kiln, Mississippi and started at 12:00pm