Answer:D. 2(3x-5)^2
Step-by-step explanation:
18x^2-60x+50=2(9x^2-30x+25)
To find the number of days, divide the total swam by the average:
Days = 48 / 3.2 = 15
They swam for 15 days.
<h2><em><u>
Answer: 6</u></em></h2>
Step-by-step explanation: -2 x -3 = 6 cause the negatives cancel out to make 6.
