N The nth term of a sequence is given by
T = -19n - 3.
(a) Which term of the sequence has a value
of -250?
b) Is-344 a term in the sequence? Why?

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)