You would do 3x+90=180 because a straight line equals 180°. then you find x=30. then x and z add to get 180 because x fits in the slot above z so 180-30 equals 150°. if z equals 150° then 180-150 equals 30. so x=30,y=15, and z=150
A) -27 + (-32) = -56
-56 + 14 = -45
B) -45 ÷ 5 = -9
-9 × 2 = -18
Answer:
7.79 to the nearest hundredth
Step-by-step explanation:
3/12 • 4/12 is also another expression