Melanie found 63 she shells and 26 starfishes on the beach she gave dan some of her seashells she has 38 seashells left how many seashells did she give dan

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Whats the name of the vertical axis

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours