David has 400 yards of fencing and wishes to enclose a rectanghlar area against a pre-existing fence.
What equation should David use to help. him maximize the area?
f(x)=x(400-2x)
f(x)=x(400+2x)
f(x)=2x(400-x)
f(x)=2x(400+x)

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by

Asinusoidal function whose frequency is 1/6pi

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2