1. Select the three statements that represent a unit rate. a. Carrots cost $2 per pound
b. Sylvia buys 5 shirts for $75
C. It takes Juan 3 hours to drive 165 miles
d. A recipe calls for 2 cups of sugar for every gallon of water.
e. A teacher divides her class so there are 11 students per group.

!I will mark Brainliest please help!

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

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

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit