Answer:
B
Step-by-step explanation:
Simplifying radicals is similar to collecting like terms in algebra.
Here, the like terms are the radicals
Given
4
+ 2
- 
=
(4 + 2 - 1 )
= 5
→ B
A. 4/5 take the bus so 1/5 do not. 1/5 is 20% so 20% of the total students don't take the school bus.
B. The ratio of students who take the school bus to those who do not is 4:1
Answer:
87.92
Step-by-step explanation:

c= Circumference
d= Diameter

AnswerdV/dt = 4·pi·(40)2·(-2)
Step-by-step explanation: