On Wednesday, 45 packages were sent in for pick up. 9 of the packages had the "fragile" label and 8 of the packages required the recipient's signature. How many
packages did not require signature?

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m