book Maths Puzzle Numerical Ability

Find the coordinaes of the vertex of the graph y=|x-2|+4.

Read Solution (Total 0)

book Other Question

Team x can set up chairs in the gym in 15minutes and team y can set up the chairs in 20 minutes. How long would it take them working together to set up the same chairs?
___minutes.
i got 8.5714 but i was wrong.
please help me.
Thank you. What is the velocity measured in meters per second: v(t)=-9.8t+50. The time in seconds is 2.
I tried using the distance=rate x time: v(2)=-9.8(2)+50
I am not sure if this is the