Please assist me with these problems and show the work.
1. Vertex(-4, -3), Directrix: y = -25/8
2. Vertex (-8, -7), Directrix: y = -25/4
3. Focus: (7, 1/2), Directrix: y = 3/2
4. Focus: (1/2, 10), Directrix: x = 3/4
5. Focus: (-31/4, 2), Directrix: x = -33/4
6. Focus: (-9, 57/8), Directrix: y = 55/8

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.

answer: the four apples you took away.

step-by-step explanation:

false

step-by-step explanation:

the meaning of changing is to edit or make something different.

but transmitting means cause (something) to pass on from one place or person to another.

there 2 different things