The radius of a semicircle is 4 millimeters. What is the semicircle's area?

Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?