:
Mario walked at a rate of 23 miles every 10 minutes.

What was his walking rate in miles per hour?

What number produces an irrational number when multiplied by -1.25

The ratio of wooden bats to metal bats in the baseball coach’s bag is 2 to 1. if there are 20 wooden bats, how many metal bats are in the bag?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a