Three pairs of shoes are priced at $39.95 each.
estimate the total cost for the all 3 pairs of
shoes.

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

What’s the range cuz i can’t find it?