Find the area of a regular pentagon with a side length of 5 cm. Round to the nearest tenth.

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 ?

Find the area of the regular hexagon if a side is 20 cm.

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.