The pair of numbers that would have 20 as their lcm is 4 and 5
1. 79% Take 100 x 21%=21, then subtract 21 from 100 = 79
2. $138 Take 1200 x 11.5%= $138
45 hours.
80 - 70= 10, and 450/10 is 45.
to justify, you can do 70x45= 3,150, and 80x45= (3,600 - 3,150= 450)
Answer:
(x - 1)² + (y + 2)² = 9
Step-by-step explanation:
center is (1, -2), radius is 3
You could say an equilateral, or a polygon.