Answer:
A
Step-by-step explanation:
The volume (V) of a pyramid is
V =
area of base × perpendicular height (h)
area of square base = 4² = 16 and h = 4, hence
V =
× 16 × 4 =
= 21
ft³
Answer:
a
Step-by-step explanation:
Answer:
all work is shown and pictured
Step-by-step explanation:
let an amount be a
increase an amount by 10% and then by 30%
= a*1.1 *1.3 = a*1.43