How can you mathematically prove that - 1*-1=1. Besides saying that negative times negative equals positive.

What is 182.886 rounded to the nearest hundredth

X-3 / 2 = 15 what is x

When x = - 3 on the graph of y = 2|x| + 3 what will be the y-coordinate? A. - 3 B. 3 C. - 9 D. 9

A supermarket charges $4.50 for 8 cans of cat food. At the same rate, how much would the supermarket charge for 28 cans of cat food?

Two enterprising college students decide to start a business. They will make up and deliver helium balloon bouquets for special occasions. It will cost them $39.99 to buy a machine to fill the balloons with helium.

What's the area of an equilateral triangle with sides of 10 inches and height of 7 inches? A. 44 sq. in. B. 20 sq. in. C. 35 sq. in. D. 70 sq. in.

In a classroom, the students are set up in the arrangement shown in the table. How many students are sitting at the 4 tables?

Express 66 2/3 percent as a fraction in simplest form

What plus what equals 24 if the second number subtracted from the first number equals 2?

Area of a triangle 15 ft 20 ft 25 ft