For an arithmetic sequence where a1 = 13 and the common difference is 3, find s7.

a. 157
b. 151
c. 154
d. 162
10 points

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your

What is y times x by? y is __ times x