Hanna planted 5 ferns yesterday and can plant 7 additional ferns an hour. Amir planted 6 ferns yesterday and can plant an additional 5 ferns an hour,. Hanna and Amir will plant ferns for h hours today. (a) Write an expression to represent the total number of ferns Hanna will have planted

(b) Write an expression to represent the total number of ferns Amir will have planted

(C) Write an expression to represent the total number of ferns both Hanna and Amir will plant altogether. Simply the expression completely Show your work

A gym has an enrollment fee of $80. There is also a $25 fee per

month of membership. Write an expression to represent the total

cost of m months of membership.

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.