How do solve y=5x-8 y=-6x+3 by elimination

What is the radius of a circle?

6x1 + 3 x (1/10) + 9 x (1/100) in standard form

How do you numerically solve 2/3 to the third

Kevin is 42 years old and Daniel is 3 years old. How many years will it take until Kevin is only 4 times as old as Daniel?

Find a monic quartic polynomial f (x) with rational coefficents whose roots include x=1-sqrt2, and x=2+sqrt5. Give your answer in expanded form.

The radius of a cylinder is increased from 9 to 9.03 inches. if the height remains constrant at 12 inches. Estimate the change in volume

Sun Valley and San Jose are 105 km from each other. How far apart would the cities be on a map that has a scale of 1 cm : 15 km?

Y^2-18y+81 quadratic equation/formula

if three pipes are all opened, they can fill an empty swimming pool in 3 hours. THe largest pipe alone takes one third the time that the smallest pipe takes and half the time the other pipe takes.

Greg drove at a constant speed in a rainstorm for 240 miles. He took a break, and the rain stopped He then drove 192 miles at a speed that was 8 miles per hour faster than his previous speed.