Tell wether the ordered pair (5,-3) is a solution of the system - 3x+2y=-21; -x-y=-2

4.7+x=3.1 Solve for x . x=

Multiply. Write your answer as a fraction in simplest form. 8 (3/26)

3) x-y = 3 | 7x-y=-3

A sweater was on sale at 40% off the regular price. Ella saved $20 by buying the sweater on sale. What was the regular price of the sweater? $40 $80 550 $60

Benito's family is thinking of relocating from Los Angeles to Oakland to save money. They set up a budget comparing the cost of living for both cities.

You have a cone with a radius of 8 ft and a height of 10 ft. Find the area of the triangle formed by a perpendicular cross-section through the cone's center.

From least to greatest 1.34,1 1/3,1 6/8,1.034?

Water in a swimming pool is treated with two chemical mixed. In a ration of 5:4. The total volume of the chemicals is 48 litres. How much of each chemical is used?

A 0.01 probability that it will be 85 on Saturday

O custo mensal de um carro depende diretamente da kilometragem percorrida. Um motorista observou um gasto de R$380,00 para dirigir 480km em maio e um custo de R$460,00 para dirigir 800km no mês de junho.