Brian is building a skating rink in the back yard. It measures 18ft by 12ft 3in. He buys 1/2inch plywood for the 2foot high sides. The plywood is 2ft by 8ft and costs $8.89 per sheet. How much will it cost Brian to build this rink, assuming no wastage or taxes?

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?