Well, the one with the steeper slope would be Marty's with a slope if 2/3.
18u^2. For verifying that count the entire squares of the triangle, and use the partial one to make complete squares.
The surface area is 20.38 and the volume is 4.84
Answer: £30.31
Explanation:
100/140 minutes of calls were free. Then, 40 x .09, which is 3.6
61 non-free texts, costing 11p each. So... 61 x .11 = 6.71
Add those together, with 20.
