HELLO? IM SHOUTING FROM OUTER SPACE PLEASE COME HELP! lol The equation $y = -6t^2 + 51t$ describes the height (in feet) of a projectile launched from the surface of Mars at 51 feet per second. In how many seconds will the projectile first reach 108 feet in height? I'll mark you as the brainliest answer if it's correct!!! No one answered so im increasing points

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

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.

the first option is the answer.

answer: can you give the

step-by-step explanation: