3. A swimming pool was filled with 1 ⅕ gallons of water in ¼ of an hour. What is the unit rate for the number of gallons filled per hour? A44/6 B.6/5 C.4/1 D. 6/1​

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?