Answer:
Slope = undefined.
Step-by-step explanation:
A vertical line always has an undefined slope.
Answer:
Yes, because the x's do not have more than one y.
Step-by-step explanation:
x y
0 0
5 10
6 12
10 20
(That's meant to be a table). Looking at the x and y table values, you can see that none of the x's have two y's. So, this relation is a function.
Answer: 36
Step-by-step: 6 2/3 + 5 1/3 = 12
12 x 3 = 36
Answer:

Step-by-step explanation:
"At least" is inclusive, so you can be 21 years old.
Formula for volume of sphere V = 4/3 (Pi) r^3, where Pi ~ 3.14 and r is the radius = 7.
Therefore V = 4/3 * 3.14 * 7^3
= 4/3 * 3.14 * 343
= 4/3 * 1077.02
= 1,436.02667 cubic units