7y + 2x - 10y + 3x² - 10x
3x² - 10x + 2x + 7y - 10y
3x² - 8x - 3y
<span>Answer:
a million) d/154 = 14/40 4 bypass multiply: 44d = 2156 d = 40 9 2) i will apply ^ to signify exponents, because of the fact superscript numbers do no longer artwork nicely at right here. c is continuous and represents the ratio of v to d^3 the dating is, subsequently: v = cd^3 3) enable w = wages for 5 adult adult males w/5 = $fifty two.08/3 bypass multiply: 3w = $260.40 w = $86.80 4) enable x = value of a 9-minute call x/9 = $0.ninety/6 bypass multiply: 6x = $8.10 x = $a million.35 5) i'm no longer completely confident what's being asked for in this one, yet i'm vulnerable to circulate with: P/a million = V/ok or P:a million = V:ok</span>
Number of girls : number of boys = 28 : 18
28 : 18 = 14 : 9,
so
number of girls : number of boys = 14 : 9
Answer E. 14/9
