Lana brings brownies to class one day. She gives right to left horizontal strike 3 over 5 end strike of them to her friends Bob, Tom, and Jane.

If she gave away 21 brownies in total, how many did she bring to class?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%

I’m really confused and need to learn this