1a) what is the total degrees of an 30-gon 1b)what is the measure of one interior angle of an 30-gon

1c)what is the measure of one exterior angle of an 30-gon

can someone answer this asap!

16 points!

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).

X= 3y - 6 2x - 4y = 8 solve the system of equations using substitution. a) (-12,-2) b) (15,7) c) (21,9) d) (24,10)