How can 15/6 mixed number in simplest form?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)