How does a seismograph work?

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a