If f(x)=4-x^2 and g(x)=6x, which expression is equivelent to (g-f)(3)

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

What is the slope of the line that contains the points (-2,1) and (0,-3)

Ineed here’s a picture of the question