(6 points) A pool is filled with 150 gallons of water that contain 10% chlorine. Chlorine-free water is being poured into the pool at a rate of 7 gallons per minute, and the water in the pool is being emptied at the same rate (7 gallons per minute). How many minutes will it take for the water in the pool to contain 5% chlorine

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

What is the y intercept of f(x)=(1/2)^x?