8) find the difference between 2479 and 465 *​

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

Acircle has a circumference of 28.36 units what is the diameter of the circle

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !