Find out the area and circumference of a circle of diameter 50cm​

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

What is the value of x in the this question ?