The graph of a sinusoidal function intersects its midline at (0, -7) and then has a minimum point at (pi/4, -9)

What is the value of x in the diagram below?

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m