Answer:
Step-by-step explanation:
(a⁴-b⁴)/(a-b)
using..(a+b²)=(a+b)(a-b)
=(a²+b²)(a²-b²)/(a-b)
=(a²+b²)(a+b)(a-b)/(a-b)
=(a²+b²)(a+b)
Answer:

Step-by-step explanation:
Use the formula for a semicircle's perimeter.

Plug in 6 for d.

Let's use 3.14 for
, just to make it easier, but of course, if it states to round it to something else, just plug in that many values for
.

Answer:
B
Step-by-step explanation:
22+25=47
47/2=23.5 Average shoes rented per hour
23.5*9=211.5 shoes rented per 9 hours
211.5*3=634.5 Shoes rented per 9 hours for 3 days
634 closest answer is B
Answer:
Step-by-step explanation:
What is the answer tho
Answer:
for every 2 tables there are 10 chairs, so for 12 tables there are 60 chairs