Heidi went to Joe's Market and bought 1 3/4 pounds of coffee at $8 a pound and 6 1/2 pounds of rice at $0.40 per
pound. If Heidi paid for her purchase with a $50 bill, how
much change did she receive?

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

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

Which graph represents the given linear function 4x+2y=3