My last acc hellobugaboo2 got banned so add me on this acc please :)

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ab=9, and ac=12, find hc.

Select the correct answer what is the most direct use of a compass in geometric constructions? a. to draw congruent angles b. to draw arcs of a given size c. to draw perpendicular lines d. to draw straight lines reset next next

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)