Check the picture below.
for "b", well, recall that the sum of all interior angles in a triangle is 180°.
for "a", "c" and "d", well, all those are just <u>intercepted arcs</u>.
The pink goes under the light blue then the dark blue goes under the pink cause it says finish :)
Answer: 59
Step-by-step explanation:
-7 (-6) + 17 (multiply -7 and -6)
= 42+17 (simplify)
=59
I think step five is correct but no sure
Esta pregunta obtendría una mejor ayuda si estuviera en español.