How would you show algebraically that the quadrilateral with vertices at A (-1, 3) B (3, 5) C (4, 3) D (0, 1) is a rectangle.

What is 19/25 in a fraction or mixed number?

Solve the system by substitution. Check your solution. a-1.2b=-3 0.2b+0.6a=12

Helen has 14 cats but now only 5. what is the percent decrease?

Can 5, 5, and 10 be the lengths of the sides of a triangle? (yes or no answer)

In a lottery game you pick ine number from 000 to 999. If you pick one such number, what is the probability that you will win the lottery

Tristan has 45 apples and 20 pears that he is putting into gift baskets. Each basket will have the same number of apples and pears. What is the greatest number of baskets Tristan can make with no fruit left over? Explain.

85+3x-5=180 what does x equal

robert wants to put lights around the edge of his deck. The deck is 43 feet long and 26 feet wide. How many yards of lights does he need?

If a computer costs $600.00 and the sales tax rate is 7.5 percent, what is the total cost of the computer?

What is 2/3 cup chopped nuts multiplied by 6?