The temperature is 21'C below zero which temperature represents this temperature + 21 - 21

Dave has 15$ to spend on an 8$ books and two birthday cards (c) for his friends. how much can he spend on each card if he busys the same card for each other?

Emily rented a bike from matt's bikes. It cost $16 plus $5 per hour. If Emily paid $46 then she rented the bike for how many hours

The perimeter of a rectangular park is 500 feet. The length of the park is 10 feet longer than the width. Find the length of the park. What is the length of the park?

An exponential function has a starting vaue of 11 and a growth rate of 45%, write an equation to model the situation.

A jacket selling for $100 is on sale for 5% off

What is 2 to the 12 power simplified

The length of each side of a cube is increased by a factor of 4. What is the effect on the volume of the cube? A) The volume of the cube increases by a factor of 64. B) The volume of the cube increases by a factor of 16.

The sum of a number and its square is 2. find the number (s)

A radio station gave away concert tickets every hour yesterday. At the end of the fifth hour, the station had 418 tickets left. At the end of the seventh hour, the station had 374 tickets left.

What is 2x^2 + x^2? Or can it even go together?