Which fraction expresses – 16/28 in lowest terms?

a.
– 8/14

b.
– 4/7

c.
– 4/14

d.
– 2/7

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

X+ 4y − z = −14 5x + 6y + 3z = 4 −2x + 7y + 2z = −17

On tuesday, a local hamburger shop sold a combined total of 375 hamburgers and cheeseburgers. the number of cheeseburgers sold was two times the number of hamburgers sold. how many hamburgers were sold on tuesday?