7.For number 7-8, Given m<1=5x -10 and m<8=2x+20
A. 4
B. 6
C. 8
D. 10
8.what is the value of <1?
A. 20°
B. 30°
C. 40°
D. 50°
10.what is the measure of <5?
A. 65°
B. 85°
C. 115°
D. 125°
11.WHAT IS THE MEASURE OF <6?
A. 65°
B. 85°
C. 115°
D. 125°
(NO.12,13,14 IS IN THE PIC)
