Tammy is selling chocolate bars. She sold 9 bars in 45 minutes. At this rate, how many will she be able to sell in three hours?​

Which transformations could have occurred to map △abc to △a"b"c"? a rotation and a reflection a translation and a dilation a reflection and a dilation a dilation and a rotation

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units