What is 3-3x6+2 since there are no parenthesis?

Which product is positive a is 2/5 -8/9 -1/3 -2/7 b is -2/5 8/9 -1/3 -2/7 c is 2/5 8/9 1/3 -2/7 d is -2/5 -8/9 1/3 2/7

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°