It takes both jack and scott 12 minutes to walk to school. jack has his headphones on for 2/3 of the walk and scott had his on for 2/5 of the walk. who had their headphones on longer? explain.

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?