The diameter of a semicircle is 8 kilometers. What is the semicircle's radius?

Which statement correctly describes the relationship between △DEF and △ D ′ E ′ F ′?

1. y = 5x + 1 4x + y = 10

2 A computer is discounted by 20%. If the original cost is $450, what is the sales price?

Mac traveled to three cities on one highway. The total distance one way was 320 miles. The distance from his original location to the first city was 20 miles more than half the distance from the first city to the second city.

Ayako spent $7.80 on equal weights of beads of white and red beads. The red beads cost twice as much per punce as the white beads. How much did Ayako spend on each colour of beads?

Ann made 75 cookies to give equally to her friends. She put 4 cookies in each bag. She gave all of her left over cookies to her mom. How many cookies did she give her mom?

If you pass a road test, you will get your drivers license. Tamara passed her road test

Simplify the expression of 5a-2a 9

Which of the following are congrunce transformation

4. What is the sum of interior angle measures in a polygon with 5 sides? 3 x 180º =