The Staten Island Skating Pavilion charges a $5 entrance fee and an hourly rate for for ice skating. The total cost for ice skating depends on the number of hours a person skates. The table below represents the total cost of skating for different number of hours. Which equation represents the relationship between the cost, c, and the number of hours, h?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y