Which expressions are equivalent to 8.9 x + 6.2 + 8.7? Check all that apply. 9 x + 6 + 9
8.9 + 6.2 + 8.7 x
8.9 x + 8.7 + 6.2
8.7 + 8.9 x + 6.2
6.2 + 8.7 + 8.9
6.2 + 8.7 + 8.9 x
8.9 + 6.2 x + 8.7

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?