If 20% of a number is 15 what is the original number

Mary has to spend $18000 on expenses each year. if that amount of money 40% of her salary then how much does Mary make working as an afministrator per year round your answer to the nearest whole number if necessary

Rebecca measured herself and she was 52 in tall how many feet tall was she

If a 53kg boulder falls off a cliff what is the force with witch it will hit the ground

The average response time to a bank robbery is 9 minutes. A local community wants to improve on this time, so they implement advanced training seminars.

And a repeating musical pattern there are 56 beat in seven measures how many measures are there in 104 beats

4. Write the explicit formula that represents the geometric sequence - 2, 8, - 32, 128

avani is building a rectangular play area the length of the play area is 7.5 meter the width of the play area is 5.3 meters if she wants to cover the area in foam how much foam does she need to buy?

Factor the expression x^2 - 4x-45

What is 27/32 divided by 7/8

There are 140 designs in the Church of the Lord's Prayer. Suppose each design is made of 72 tile squares. What would be the total number of tile squares?