Answer:
n < 20
Step-by-step explanation:
2n – 1 < 39
Add 1 to each side
2n – 1+1 < 39+1
2n < 40
Divide each side by 2
2n/2 < 40/2
n < 20
Reflecting over the y-axis
Step-by-step explanation:
5x5
because 5^2 equals the area
He was there for 3 hours cause 3 x 35 = 105 but 105 + 55 = 160
