jessie hiked 5(1/2) miles on sunday and 6(3/4) miles on sunday .how many miles did jessie hike altogether ?

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 ?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

In an equilateral triangle, each angle is represented by 5y+3. what is the value of y? a. 9.7 b. 10.8 c. 11.4 d. 7.2