Answer: 112°
Step-by-step explanation:
a straight line only has 180° at all times so it is a matter of subtraction. 180-68 is 112° so from there you can find #2 as 68°, #3 as 90° and #4 as 90°, and so on.
8.8 because .78 rounded up is .8
Answer:
-2/3
Step-by-step explanation:
put 1 in x should be 0
k is -2/3