Chris can mow a large yard in 3 hours by himself. It takes Joe 6 hours to mow the yard alone. How long would it take Chris and Joe to mow the yard together?

If x equals 2, then find the matching value for y 9x+6y=6

A equation of a line that passes throgh (2,-1) and has a slope of - 3

Sonny has $75 to spend. The purchase he wants to make requirs $93. If he borrows the extra money that he needs, how much does he need to borrow?

The area of a triangle is 200ft what does x have to be

How do I solve the following. To eliminate y multiply -10x-3y=3 by 100/3

A toy company intends to ship out its entire stock of 13,257 toy trucks and five times as many toy cars. If each box hold 109 toys of either type, how many full boxes can be packed, and how many toys are left over for the last box?

A rectangle prism has dimensions of 1/2, 2 and 7/2 inches. How many cubes with side edges of 1 inch will fit into the prism?

What kinds of technology aided imperialism?

Solve v²-8v-33=0 by factoring

There are20 keys on a keychain. One of the keys starts a car. If a key is randomly chosen what is the probability that it starts the car A) 5% B) 25% C) 20% D) 15%