Why is the product of two negative numbers positive?

Heidi solved the equation 3 (x + 4) + 2 = 2 + 5 (x - 4). Her steps are below: 3x + 12 + 2 = 2 + 5x - 20 3x + 14 = 5x - 18 14 = 2x - 18 32 = 2x 16 = x Use the drops-downs to justify how Heidi arrived at each step.

Is - 5 a rational number, irrational number, Integer, whole number, or Natural number

Gia spends 2/5 of her moneyon a shirt. She then spends 4/9 of her remaining money on a pair of shoes. What fraction of her money is left?

can a house be designed without mathematics

Angie run 4 miles in 18 minutes how far can she run in 90 minutes

Each week our school's team travels to other schools for competitions. Today the five members of the gymnastics team and seven weight lifters are on the way to our rival school for meet.

The Air conditioner unit in the classroom uses 120 volts. it requires 2000 watts of usage on the average, and it stays on for 8 hours every day.

3y+6y=9 how solve this

Sean spent $38 for shorts. This was $4 less than twice what he spent for a shirt. The equation 2x - 4 = 38 can be used to find the cost of the shirt (x). How much did Sean spend on the shirt?

Find the perimeter of the rectangle What is the area