What is the completely factored form of
x3 + 4x2 - 9x - 36?
(x + 3)(x - 3)
(x2-9)(x + 4)
(x+3)(x − 3)(x + 4)
(x - 3)(x – 3)(x + 4)
DONE

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 ?

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?