Atraffic helicopter descends 123 meters to be 309 meters above the ground, as illustrated in the diagram to the right. write an equation to describe the situation using h as the original height of the helicopter. what was the original height of the helicopter?
write an equation to describe the situation using h as the original height of the helicopter.

Katlyn made 4 dresses with 7 yards of fabric. how many yards did she use on 1 dress?

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center