One less than twice a number

7y 12=-4 (y-4) a.-1 5/11 b. 4/11 c.-11/16 d. 2 3/4

140 students were asked about their language classes. Out of 112 who take French, only 34 do not take Spanish. 8 take neither French nor Spanish.

Will a polynomial times a polynomial always equal a polynomial?

Pablo is dividing a dish of brownies for a party. The brownie mix cost $2.89. He cuts the brownies into squares that measure 3 inches by 3 inches. If the pan is 18 inches long and 12 inches wide, how many brownies did he cut?

Estelle bought 7.2 pounds of oatmeal and gave 6.1 pounds of it to a neighbor. How much oatmeal does Estelle have left? pounds

David is standing 5000 feet away from the base of a cell phone tower. The angel of elevation from his eyes to the top of the tower is 78 degrees. If David's eyes are 6 feet above the ground how y'all is the tower?

Interquartile range definition

The y-intercept of the line whose equation is 7x - 4y=8 is

The population, y, of a small town can be represented using a quadratic model. The maximum population, 6,000 people, occurred 20 years after record keeping began. Five years later, the population was 5,950.

The chess club has 18 students. How many different teams of 4 can be formed for competition?