How do i solve y=x and y=-x+2 using substitution

The average number if students in three classrooms was 24 altogether how many students were in three classrooms? I need the work too sorry

N a water treatment plant, water passes through a cone-shaped filter with a height of 4 m and a diameter of 9 m. The water flows from the filter into a cylinder below it. One full cone-shaped filter fills one-fifth of the cylinder.

What is the measure of angle AOC? 42 58° 66 79

If mBC in circle A is 60°, what is m2BDC? Α. 60° Β. 45° C. 30 D. 25

The speed of light is about 1.86 * 10^5 miles per second. How many miles will light travel in 4,200,000 seconds?

3. How did the experimental probability and theoretical probability of rolling a 5 compare?

Which of the following characteristics best describes the given función of f (x) = 3x2? -quadratic function, U-shape, maximum -quadratic function, U-shape, minimum -quadratic function, V-shape, minimum -quadratic function, V-shape, maximum

The running aces card team won $548 playing in poker tournaments last year. the winnings were split evenly among the p players. how much of money did each player receive?

48 oz 1/2 gallon 3 1/2 pints 10 3/4 cups 2 1/4 quarts sort from least to greatest

Explain how you can use absolute value to tell whether the sum of two integers is positive or negative