Answer: 2.66 hours
Step-by-step explanation:
Shawana can paint a fence in 8hours which means in one hour she can paint 1/8 of a fence.
Kevin can paint the same fence in 4 hours, so in one hour he can paint 1/4 of the fence.
Together in 1 hour they can paint 1/8 + 1/4 = 3/8
Total hours for painting is 3/8 or 2.66 hours
Answer:
4.75
Step-by-step explanation:
Answer:

Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes. Mathematically, this is

In this problem, we have that:
Desired outcomes:
There are 52 cards, of which 13 are diamonds.
We want non diamond cards, so 
Total outcomes:
Deck of 52 cards, so 
Probability

Answer:
slope = 3
y-int= -6
Step-by-step explanation:
y=mx+b
m: slope
b : y-int