88
Step-by-step explanation:
Answer:
12: 88
71°
31-3x+19x-5=90
16x=90-26
16x=64
x=4
m<R=19x-5 = 19(4)-5 = 76-5 = 71
7/3 × 5/12 = 35/36
....................................
my answer here would be B)
