If f(x)=4^x+12x and g(x)=5x-1, find (f+g)(x) a. 4^x +17x-1 b. 4^x+7x-1 c.21x-1 d. 4^x-7x+1

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

The volume of a cube is 8 in to the 3rd power. how long is each side?