A bookcase has 4 shelves. The bottom shelf has 10 books. Each of the other shelves has 5 more books than the shelf below it. How many books are in the bookcase.

xplain in your own words how you approach solving any quadratic equation by factoring. What are the key things you keep in mind as you're working towards finding the answer (s) ? Your explanation must be at least a few sentences long.

Mark bought an electronic tablet on sale for ¹/₄ off the original price of $825.00. He also wanted to use a coupon for ¹/₅ off the sales price. Before taxes, how much did mark pay for the tablet.

How many millimeters are in 20 meters

A nut store normally sells cashews for $4.00 per pound and peanuts for $1.50 per pound. But at the end of the month the peanuts had not sold well, so, in order to sell 60 pounds of peanuts, the manager decided to mix the 60 pounds of peanuts with

An introduction to equations x-3=10

What is the radius of the cone? An oblique cone has a height equal to the diameter of the base. The volume of the cone is equal to 18x cubic units. 2 units 3 units 6 units 9 units

What is 9-m=8 in inverse operation form

A pet store has a total of 45 cats and dogs. There are 9 more cats than dogs. Find the number of cats and dogs in the store.

If Abby rolls two number cubes a hundred times, about how many times would she expect a product greater than 10.

Jane is going to fence in her back yard. She has purchased 120 feet of fencing and knows that she wants to fence in a rectangular area where one side will be the back of her house. She knows her house is 25 feet across the back.