3 3/5 + v + 5 2/3 = 15
18/5 + v + 17/3 = 15
54/15 + v + 85/15 = 225/15
v = 225/15 - 139/15
v = 86,/15 = 5 11/15, answer B
S4=935 found the infinite series
Answer:
300 sq units. hope it will help you!
Step-by-step explanation:
(a) Volume of any Pyramid =
cubic units
(b) Sarah doesn't have to go through all the hard work as the smaller pyramid has a ratio of 2:3 to the bigger pyramid, so we get the equation, to help us solve it.

Hope that helps!
1. A
2. C
3. C
4. B
5. D
Im not 100% sure but I tried my best :) good luck.