Ewa has 20 balls of four colors: yellow, green, blue, and black. 17 of them are not green, 5 are black, and 12 are not yellow. how many blue balls does ewa have?

What is the slope of the line represented by the equation 2x+4y=5

What is equivalent to x+2-x

Cell phones can weigh as little as 2 ounces. How many pounds can the cell phone weigh?

What is the area of a square that has a side length of 5 meters? A) 20m to the second power B) 25 m to the second power C) 30 m to the second power D) 35 m to the second power

All 6 members of a family work. Their hourly wages (in dollars) are the following. 18, 14, 35, 34, 11, 26 Assuming that these wages constitute an entire population, find the standard deviation of the population.

Identify whether the following real-world example should be modeled by a linear, quadratic, or exponential function. Type the correct word (linear, quadratic, or exponential) as your answer. A. Each ink cartridge purchased for $12. B.

There are 52 potato chips in a 10 oz bag. Write and solve a porportion that you can use to find the number of chips in a 4 oz bag.

The cool sub shop is having its grand opening. The owner buys three 1/4-page ads, four 1/8-page ads, and ten 1/16-page ads. What is the total amount of ad space that the owner buys?

When rounded to the nearest hundred I become 500 what numbers can I be

camille rides the bus to work. to get downtown, she can ride any bus number between 11 and 34, that can be divided evenly by 3, and is an even number. wich numbers are the buses that camille could ride to work?