Emily is raising money for a school trip by selling lollipops and packs of cookies. yesterday emily sold 18 lollipops and 7 packs of cookies for a total revenue of $28.50. today she sold 15 lollipops and 6 packs of cookies for a total revenue of $24. write a system of equations that could be used to determine the price of each lollipop and the price of each pack of cookies. define the variables that you use to write the system.

Find the area and perimeter of each composite figure. use 3.14 for π. round your answer to the nearest tenth. a square and a right triangle share a common side. image long description a 3-meter by 0.5-meter rectangle has triangles attached like wings to the 3-meter sides. the other two sides of both triangles measure 2.5 meters. the height of each triangle is 2 meters. a 6-inch by 4-inch rectangle has 2 half-circles attached like wings to the 6-inch sides. the radius of each half-circle is 3 inches. find the surface area and volume of each figure. use 3.14 for π. round your answer to the nearest tenth. a right circular cylinder has a base radius of 6 yards and a height of 20 yards. a rectangular prism has a base that is 9 centimeters long and 7 centimeters wide. the height is 2 centimeters. a rectangular prism has a base that measures 11 millimeters by 11 millimeters. the height is 11 millimeters.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12