Volume of the pyramid:
V = 1/3 · B · h
B = 8 ft²
tan 30° = height / 7√3
1/√3 = height / 7√3
height = 7 ft
V = 1/3 · 8 · 7 = 18.67 ft³ ≈ 19 ft³
Answer : D ) 19 ft³
Rob is 18
Jake is 9
21-15=6
6+3=9
9x2=18
(No clue how I got 15 )
N4=c
n times 4, n being a number of notebooks, would equal c, or the overall cost.
Answer:
4m + 4m + 6
3+3+5+3
10m+12+(-2m)-6
Step-by-step explanation:
Welcome
98.66074, you just multiply the two values