Answer:
20
Step-by-step explanation:
there are 10 2s
2×10 =20
1) is C because the line is increasing not decreasing and it goes up 7 & right 2.
2) the y-intercept is -2 and the slope is up 3 over 1, so the answer has to be B
3) the answer is A because the up 2 over 3
4) the y-intercept is a positive 4, and the slope is going down 3 and to the right 5, and the line is decreasing so you know it has to be negative. the answer is D

is a sphere centered at (0, 0, 1) with radius 1. We only need to know the radius; the volume is

where

, so the volume would be

.
Answer:
The answer is no solution
Step-by-step explanation:
Answer:
1. false 2. true 3. false 4. false
Step-by-step explanation: