Lamont is packing for a class trip. he has six school uniform shirts and wants to bring four of these shirts. how many different arrangements of four shirts does lamont have to choose from when packing?

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.

Solve the x in the equation x^2+14x+17=-96

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.