Can someone explain how to solve this question:
to the nearest degree, what is the measure of each exterior angle of a regular heptagon?
a. 45 degrees
b. 51 degrees
c. 30 degrees
d. 60 degrees

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Aiko jumped rope for 20 min and stopped at 8: 05 when did she start