It helps to add decimals because it means one out of ten
Answer: 9 boys
Explanation:
3/11= x/33
11x= 99
x=9
2x^3 + 9x - 8 - (4x^2 - 15x + 7)....distribute thru the parenthesis
2x^3 + 9x - 8 - 4x^2 + 15x - 7....combine like terms
2x^3 - 4x^2 + 24x - 15 <==
Answer: 2 7/10
Step-by-step explanation: