Jerry started doing sit-ups every day. The first day he did 14 sit-ups. Every day after that he did 4 more sit-ups than he had done the previous day. Today Jerry did 30 sit-ups. Enter an equation that could be solved to find the number of days Jerry has been doing sit-ups, not counting the first day.

Geometry ? i don't know how to do any of these.

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.