A coach wants to see how long the members of the water polo team can hold their breath. He times each member and finds that the average is 45 seconds. What type of study is this?

Experiment

Observational study

Randomized trial

Double-blind study

What is the correct classification of 18

What is the Slope of x+y=15

What is the effect on the graph of the function f (x) = 2x when f (x) is replaced with f (x - 3/5) ? A) translate vertically 3 5 units up B) translate vertically 3 5 units down C) translate horizontally 3 5 units left D) translate horizontally 3 5

Consider the equation 3 (-x+2) - 1=5x-4

Brandon follows a 2,800 calorie per diet. He has 11 servings of breads and cereals which average 140 calories each. Yesterday he had a combined 9 servings of fruits and vegetables averaging 60 calories each.

What is the next number in the sequence of 12, 13, 15, 17, 111, 113, 117, 119, 123?

There are 6 gray keys for every seven blue keys write the possible ratios for gray to black keys

What formula do you use to find the volume of a triangle with a triangle base?

What is 6.825 as a mixed number in simplest form

Mark wants to paint a mural he has one and 1/3 gallons of yellow paint 1 1/4 gallon of green paint and 7/8 gallons of blue paint mart plans plans to use 3/4 gallons of each paint color how many gallons of paint will he have left after painting the