Olly weighs 15 pounds more than ellen and ellen weighs 11 pounds less than james. a. who weighs the most? b. who weighs the least? c. does james weigh more or less than olly? d. olly weighs how much more than james? answer with work shown.

What is the slope of the line shown below?

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 difference between the predicted value and the actual value