What is the length of arc abc in terms of pi?
choices are:
a 15pi cm
b 3.75pi cm
c 7.5pi cm
d 15pi cm

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189

Determine the area of a triangle with (see picture below)

The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?