solve.
3a + b = 225
b-a = 25
a = 50
b = 75
a = -50
b = -75
a = 100
b = 125
a = 62.5
b = 87.5

Algebra 1: unit 6 part 2 of test a) the table shows a linear function. x 0 1 2 3 5 13 21 29 37 45 53 (a) determine the difference of outputs of any two inputs that are 1 unit apart. show your work. (b) determine the difference of outputs of any two inputs that are 2 units apart. show your work.

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.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.