Answer:
B.
Step-by-step explanation:
When simplifying the expression you end up with that.
Hope it helps.
Answer:
66
Step-by-step explanation:
So the volume of a cone is 
r = 3
h = 7


7x + 3y = -12
2x + 5y = 38
5y = -2x + 38
y = -2x/5 + 38/5
7x + 3•(-2x/5+38/5) = -12
29x/5 = -174/5
29x = -174
x = - 6
x=-6
y = -2x/5+38/5
y = -(2/5)(-6)+38/5 = 10
x=-6
y=10
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:

Answer:
(22-6):(5+3) = 2
Step-by-step explanation: