You can do one half of a job in an hour. your friend can do one third of the same job in an hour. how long will it take to do the job if you work together?

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.

For the functions f(x) = -922 – 2x and g(x) = -32? + 6x – 9, find (f - g)(x) and (f - ).

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.