If y varies directly as x , and y = 32 when x = 4,find the constant (k) of variation

Divide. write in the simplest form. 4 1/6 divided by 10

How many 2/5s are in 1 and 1/2 plz someone me right now

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2