Solve each system by graphing 2x+y=4 / - 3x+9y=-6

The low temperature in one city was - 4°F. The low temperature in another city was 8°F. Write an inequality to compare the temperatures.

The product of - 5 and the sum of X and eight decreased by the product of three and X

What is the equation for "a square with sides of length 5/8 inch"

A rug has an area of 122.12 square feet. The rug is 8.7 feet wide. To the nearest hundredth, how many feet long is the rug?

A public park is in the shape of a triangle. the side of the park that forms the base of the triangle is 22 yd long and the area of the park is 7500 yd 2 what is the length of the side of the park that forms the height of the triangle

Huilan is 6 years older than Thomas. The sum of their ages is 84. What is Thomas's age?

How can 40x50 be solved using mental math?

To investigate the relationship between amount of sales y (in thousands of dollars) and the amount x (in hundreds of dollars) spent on advertising, a marketing researcher chooses eight cities of approximately equal populations and spends differing

The total number of human genomic characters is 3.5 billion. Express this quantity numerically without using a decimal

What are the x values of a relation