Factor completely
25x^2 - 35x + 7y - y^2

5x(5x-7)+y(7-y)

Step-by-step explanation:

25x^2-35x+7y-y^2

5x(5x-7)+y(7-y)

the number of the people going.

step-by-step explanation:

the cost to buy one movie ticket is $7. if the total cost for the movie is a function of how many people go, then the input is : the number of the people going.

15% chance.

step-by-step explanation:

3/10 times, the 5 year old will get a tablet. 5/10 times, the 13 yer old will get a tablet. multiply both fractions to get 15/100 times, both would have a tablet.