Evaluate the expression. If necessary, round to the nearest hundredth.
log 8
.90
2.08
8

Solve the system of equations. y= 2x y= x^2 - 15

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 ?

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year