3. The parents of a newborn girl want to invest $1000 in some kind of saving plan that their child could use after her 21st birthday. Savings Plan A will increase the amount in the account by $75 per year for
as long as the account is active. Savings Plan B will increase the amount in the account by 5% per year
as long as the account is open?

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.

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)

if you was gonna solve for a, a is a   < -12