Answer:
B.4x-3y
Step-by-step explanation:
(3x-5y)+(x+2y)
Combine like terms
3x+x -5y +2y
4x -3y
Answer:7.875
Step-by-step explanation:22.50x35 divided by 100 +7.875
1/625
Exponent Rule:
5⁻⁸ · 5⁴ = -8 + 4 = -4
5⁻⁴
1/5⁴