Answer:
71°
Step-by-step explanation:
31-3x+19x-5=90
16x=90-26
16x=64
x=4
m<R=19x-5 = 19(4)-5 = 76-5 = 71
Parallelograms. Rectangles. Trapezoids.
You have to convert the percent into a decimal before you convert it into a fraction then you simplify the fraction.
Hope this helps! :)
if u multiply a negative and a negative sign you will get a positive so the answer will be 276