Anna has 2.4
feet of blue yarn and
3.9
feet of red yarn.

How much yarn does Anna have altogether?

How do i put 3(x+7) in distributive property

28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet