Jessica is saving to purchase a new sign for her store, and she's already
saved $120. she adds $20 to the savings account each time the store
sells 100 books. create and graph the equation that models the
amount jessica is saving, s, in terms of the number of units of 100
books, x.

Solve the system of equations. y= 2x y= x^2 - 15

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.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.