A polygon has 20 sides how many diagonals does it have

Between what two consecutive positive integers is the square root of 85

What is the slope of the line which contains the ordered pairs (3, 1) and (2, - 3) ?

A manufacturing company is building a rectangular room in their warehouse to store their products. The length of the room is 1 more than 3 times its width. The area of the room is 80 square meters. What are the dimensions of the room?

Two equivalent ratios for 12/60

The perimeter of a rectangle is 24 in. and its length is 3times its width. What are the length and width of ThE rectangle?

The manager of a coffee shop has one type of coffee that sells for $7 per pound and another type that sells for $11 per pound. The manager wishes to mix 60 pounds of the $11 coffee to get a mixture that will sell for $8 per pound.

Find the perimeter of a square with an area of 702.25

Each person in Plimouth was given a plot of land 16.7 m wide by 40.8 m long. The Alden family had four members. What was the square area of the plot of land they were allotted?

Isabella has 42 photos of her family. She has half as many photos of her friends. The photo album holds 4 photos on each page. How many pages will Isabella need for all of her photos combined.

G (x) = - x2 - 10, find g (-4)