Determine by substitution if - 2 is the root of 5x=10

A ball is thrown upward from 3 feet iff the ground at an initial velocity of 64 feet per second. What is the maximum height the ball reaches?

Ok so how do i find x and y in a right triangle with the measurements 45° and the number 3

W/3=12/-4 solve for w

Two families visit a zoo. The entrance charge for adults and children aged 16 or over is £x. The entrance charge for children aged under 16 is £y. The first teo adults and three children aged 17, 12 and 10.

I can paint a house in 3 hours my friend in 5 hours. how fast together can we paint one house?

Find two consexutive odd integers such that the sum of their square is 650

Joe bought a pair of basketball shoes for $49.99 and 2 packages of sport socks for $4.79 each. How much did he spend altogether?

June has 42 Sports books 85 mystery books and 69 nature books she arranges her books equally on 7 shelves How many books are on each Shelf

How many times will 1/4 go into 6 7/10

At present a man is 5 times as old as his son, in 13 years time he will be three times as old as his son. Find the man's present age?