30 kilograms
.....................................
300/20 = 15
she can skip 15 feet per second
hope this helps
3^9
Step-by-step explanation:
Answer:
864 cubic meters
Step-by-step explanation:
Rectangular prism = 5x9x12=540
Triangular prism = 1/2(9)(6)(12)=324
540+324=864 cubic meters