Which arithmetic sequence has a first term equal to 47 and a common difference of -18? a. {47, 29, 11, -7, …}
b. {47, 65, 83, 101, …}
c. {-18, 29, 76, 123, …}
d. {-18, -65, -112, -159, …}

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

What is the value of x in the this question ?

Light travels at 186,000 miles per second. light takes about 1 1? 3 seconds to travel from the earth to the moon. calculate the distance between the earth and the moon based on the speed of light.