Answer:
11. The missing angle is 63
12. She got 92% of the questions correct.
Step-by-step explanation:
11. First you need to add 49 plus 68 which is 117, then you subtract 117 from 180 and you will get 63.
12. First you multiply 23 times a hundred which is 2300, then you divide 2300 by 25 and your answer will be 92%
Total number of balls = 5+8+7 = 20
Percentage of blue balls = 8/20 × 100 = 40%
Answer:
95.7
Step-by-step explanation: