21/30 as a percent would be 70%.
Answer: 5x3 + x2 - 2x + 5
Make sure to combine like terms and watch out for if it’s subtraction or addition.
Answer:
15
Step-by-step explanation:
3x+2y=33
2x+3y=42
Add the two equations together:
5x+5y=75
Divide both sides by 5:
x+y=15
Hope this helps!
