Answer:
431
Step-by-step explanation:
This is an arithmetic sequence with first term a₁ = -1 and common difference d = 6.
The nth term of an arithmetic sequence is:
a = a₁ + d (n − 1)
The 73rd term is:
a = -1 + 6 (73 − 1)
a = 431
Answer:
768 cubic feet
Step-by-step explanation:
16 * 24 = 384
384 * 3 for the depth of the first pool = 1152
384*5 for depth of second pool = 1920
1920-1152 = 768