A father is now three times as old as the son. Five years ago, the product of their ages was 88 years. If the son’s age now is represented with x, which of the following expression can we use to find their ages:

The triangles are similar. what is the value of x? show your work.

Rewrite the polynomial -9x5 + 36x4 + 189x3 in factored form.

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet