Multiply r^2+7r+10/3 by 3r-30/r^2-5r-50
<span>=( r^2+7r+10)/3 (3r-30)/(r^2-5r-50) </span>
<span>=(r+2)(r+5)/3 3(r+10)/ (r-10)(r+5) </span>
<span>=3 (r+2)(r+5)(r+10)/3(r-10)(r+5) </span>
<span>=(r+2)(r+10)/(r-10)</span>
18 dimes, 12 nickels is the answer
Answer:
yes they are proportional
Answer:
$2.90
Step-by-step explanation:
Spinach $5.75
Tuna $7.20
2 lemonades $2.60
tax = $1.55
Sum = $17.10
Change = $20.00 - $17.10 = $2.90