1. 72 to 50 points
50/72 = 69%
100-69= 31% decrease
2. 14 to 40 books
14 / 40 = 35%
100-35= 65% increase
3. 10 plus 30% increase
10 * 0.3 = 13
Answer:
M= -3
Step-by-step explanation:
The two points on the graph are (0,4) and(1,1), using the slope formula you get a slope of - 3
62 +510 + 10 = 572
572 ÷ 2 = 286.
Answer:
70 ft
Step-by-step explanation:
300/20 = 15
20x2=40
15x2=30
40+30=70
Answer:
A
Step-by-step explanation:
Perpendicular to x = -5 is going to be a horizontal line.
Since it passes through (1,3.14),
Equation is y = 3.14