Answer:
8x, 2x^2, 6xy, 5y.
Step-by-step explanation:
Hello, 5x+3x would be 8x since 5+3 is 8. 7x^2-5x^2 would be 2x^2 since 7-5 is 2 (exponents stay the same). 2xy+4xy is 6xy since 2+4 is 6. Lastly, 8y-3y is 5y since 8-3 is 5.
2
<em>3(5+1) ÷ 3² = 3(6) ÷ </em><em>3</em><em>²</em>
<em>= 18 ÷ 3² = 18 ÷ 9 = 2</em>
Answer:
-1/2 +or- 1
Step-by-step explanation:
Answer: You could use really any but i would probably do division or subtraction
Step-by-step explanation: