Answer: $8.1
Step-by-step explanation:
4 muffins cost $2.70
1 muffin will cos $2.70/4
since 12 make a dozen
a dozen muffin cost $2.70/4 X 12
= $ 8.10
Answer:
arc AB = 12.40°
Step-by-step explanation:
diameter = 7.9 x 2 = 15.8
circumference = 15.8 x 3.14 = 49.612
since the central angle of arc AB is 90 °
90/360 x 49.612 = 12.40