Factor completely 7x3y +14x2y3 − 7x2y2.

7x2(xy + 2y3 – y2)

7x2y(x + 2y2 – y)

7(x3y +2x2y3 − x2y2)

prime

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

If the owner of que legal services forgot to deduct a withdrawal from the balance per books, what entry would be necessary?

3. mr. sanchez’s class sold fruit pies for $1.65 each and mr. kelly’s class sold bottles of fruit juice for $1.36 each. together, the classes sold 79 items and earned $118.17 for their school. (a) write and solve a system of equations that model the problem. show all your work. (b) which class earned more money? (c) how much more money did that class earn?