Answer:
(A) 
Step-by-step explanation:
The number of laughs (denoted by L) is a function of
- The number of jokes (denoted by J),
- The amount of knowledge about the joke material (denoted by K).
Given 
The appropriate measurement unit for number of laughs will be:

9cm
Explanation: we have found that the radius is 2.999239 and the formula for circumference of a circle is:
π
⋅
d
2.999239
⋅
2
=
5.99848
(multiply by 2 to get the diameter)
5.99848
⋅
π
=
18.84478
Answer:
Simplify the expression.
13
x
3
+
3
x
2
+
1
Step-by-step explanation:
Answer:
18. x=(-3)
20.x=(-2)
22.x=4
Step-by-step explanation:
161 students / 35% of the school = 460 total students in school