The number of baseball cards in neil's collection is 80 percent of the number in larry's collection. if neil has 80 fewer baseball cards than larry, how many do they have altogether

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

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Identify the number as a rational or irrational. explain. 127