Answer:
8ab(27a^3 + 64b^3)
Answer:
Step-by-step explanation:
(3b)³ = 3³·b³ = 27b³
Answer:
y = -
x - 14
Step-by-step explanation:
Slope intercept form: y = mx + b
Isolate the y:
7x + 2y = -28
2y = -7x - 28
y = -
x - 14
Answer: The waiting time will be 32 minutes when 240 people in line.
Step-by-step explanation:
Let us assume that the waiting time is directly proportional to the number of people in the queue.
Equation of direct proportion between variables x and y : 
Put
to find
.

Hence, the waiting time will be 32 minutes when 240 people in line.
Answer:
300
Step-by-step explanation:
X^2=10×10=100
3×100=300