Richard and Teo have a combined age of 21. Richard is 6 years older than twice Teo's age. How old are Richard and Teo?

11x-9=108 What is the answer to this equation?

D g/h for d = 45, g = 18, and h = 9

Explain an example of how taking an amount (for example, $20), decreasing it by 40% and then increasing that amount by 40% does not get you back to the original amount.

What is x2 + 6x = x2 - 6x as a system? A. y = x2 + 6x y = x2 - 6x B. y = - x2 + 6x y = x2 - 6x C. y = - x2 - 6x y = x2 - 6x

Relate Hundreths and decimals

0.006 0.06 0.6 6 what two numbers come next

How to solve the distributive property to express 27+60

Each small kite costs $4, while each large kite costs $7. If the total money collected selling kites is $150, and 30 kites are sold, how many of each size kite are sold? A. 8 small and 22 large B. 10 small and 20 large C. 20 small and 10 large D.

Build a triangle is it possible to build 5,5,3

Eric and six friends spent a day at the musement park at the end they decided to pair up for roller coaster rides so that each friend would ride with each others exactly once how much rides would be taken