Helen has a $1.35 in her bank in nickels and dimes the number of nickels is 9 more than the number of dimes how many of each coin does she have

Can someone me and do the problem plz so i can understand it more better

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes