Answer:
350
Step-by-step explanation:
If there are 210 girls, then the number of boys is (210÷3)x7=350.
Answer:
I think standard form would be best because it is simplest.
Step-by-step explanation:
hope this helps
Answer:
B
Step-by-step explanation:
I Think I Got It Right But This Is From A LONG time ago
Simplify
9x^3 - 4x + 10 + x^3 + 10x - 9
Collect like terms
(9x^3 + x^3) + (-4x + 10x) + (10 - 9)
Simplify
<u>10x^2 + 6x + 1</u>