At last year's company picnic 25 pounds of ground beef for a needed to make a hundred hamburgers how many pounds of ground beef will be needed this year if 120 hamburgers are to be made

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

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319