Answer:
The student answers 15 answers correctly.
For 4 4 to 5 16 to 20 24 to 30
50 / 0.40 = 125
To check your answer, 125 * 0.4 = 50
Answer:
A and B
Step-by-step explanation:
Parallel lines are lines which have the same slope. Perpendicular lines have negative reciprocal slopes.
For the options:
A. Both equations have 7/5 as the slope. They are parallel.
B. The slopes are 1 and -1. These are perpendicular.
C. The slopes are 9/2 and are parallel.
D. The slopes are 7/3 and -3/7. They are perpendicular.
The solution is A and B.
Answer:
15.7
Step-by-step explanation:
d = 2r
d = 8 thus r = 4
area (kelly) = 4 x4 x 
= 16
area (paige) = 3 x 3 x = 9
difference = 16 - 9 = 5 = 15.7
