F.
Paul: 5x+20 Monica: 10x+5
Answer:
1
sorry if I'm wrong, I'm in the 7th grade lol, did my best :) hope I sortof helped
Step-by-step explanation:
5-2=3
square root of 3 with 3 is 1

Answer:
a ≈ 1.8
Step-by-step explanation:
a / sin (180 - 105 - 15)° = 2 /sin 105°
a = (2 /sin 105°) x sin 60°
a = (2 / 0.97) x 0.87
a = 1.79 (≈ 1.8)
Answer:
a^2-1
Step-by-step explanation:
(a+1)(a-1)
=a^2-1
44,000
38,720
34,073.60
29,984.77
26,386.60