Answer:
D. 55
Step-by-step explanation:

Your chances of getting the same side is 1/16
Your friends chance of getting the same side 1/2^40
Both of Ur chaces : 1/2^44
Answer:
B.
Step-by-step explanation:
The line gets smaller left to right so that means the line is negative. Since the line is negative x must be negative. The line is also touching the y-axis at 6. We are going to use the formula y=mx+b. So our equation is going to be y=6-x.
Answer:
5
Step-by-step explanation:
Swap sides so that all variable terms are on the left hand side.
9r−11=34
Add 11 to both sides.
9r=34+11
Add 34 and 11 to get 45.
9r=45
Divide both sides by 9.
r= 45/9
Divide 45 by 9 to get 5.
r=5