8x-2y over 10xy if x=4 and y=-7

Solve by substitution 9x-5y=-30 x+3y=18

Round 14.235 to the nearest tenth using a number line

Which of these shows how the formulas for the area of a circle and the volume of a cylinder are related? The area of a circle provides the radius of the cylinder's base.

If you are driving 70mph and you look down for 3 seconds, how far have you driven in that time? My teacher said that answer was 308 feet, but I have no idea how she got there. I don't know what to divide or multiply by.

Is 3km greater or less than 5000m

Patricia paid $584 for 8 nights at a hotel. Find the unit rate

A retaller paid $33 for a lamp. What price should she sell the lamp for if she wants to make a 35% profit?

Three times a number + 12-5 times the same number is 22. What is the number?

A baseball Player hits a ball 360 feet to the outfield it takes the ball for seconds to travel this distance. How many feet does the ball travel in 1 second

10/11 in simplest form