Using the data in the Picture, calculate the
total surface area
and volume of the
pyramid.

Please I beg of you, help

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 ?

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Find the value of x. give reasons to justify your solutions! c ∈ ae