John pays $3 for the train and $2 for the bus each day. which ordered pair represents how much money john spends in 15 days on trains and buses?

a.
(45, 30)

b.
(30, 40)

c.
(1, 45)

d.
(1, 30)

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Ineed no it anyone can see this

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible