Monticue deposited her money in the bank to collect interest the first month she had $250 in her account after the six months she had $289.82 in her account you sequence notation to represent the geometric function

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

How many $20 bills do you need to have to make $280

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x