Which value can be used as the common ratio in an explicit formula that represents the sequence

Do u just plot the numbers on the graph like (1,

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?