Answer:
15)alternate exterior, 16) corresponding angles 17) alternate exterior 18) same side interior
19) alternate interior
You should change the y by the number given
P=6-2*-5
P=16
9514 1404 393
Answer:
r = ±√47
Step-by-step explanation:
-7r^2 = -329 . . . . given
r^2 = 47 . . . . . divide both sides by -7 (multiplication property of equality)
r = ±√47 . . . . square root both sides (square root property of equality)