The first five terms of a pattern are given below.
12,20,28,36,44
Which expressions can be used to determine the Nth term of the pattern?
A. 10-7n
B. 20-8n
C. 5+7n
D. 4+8n

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?

Brent wants to know what is 5 x 1/2

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.