If the first term of an arithmetic progression is -3 and the common difference is 8, what is the 28th term?

a. ) 226
b. ) 213
c. ) 220
d. ) 229

He concluded that a heavier object dropped from the same height as a lighter object will land

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?