Right APQR with PQ 1 PR, QR = 47 mm, and mZQ = 52°
Can someone help me solve this please (:

Tell whatever the ordered pair is a solution of the given system.

Is a positive integer raised to a negative power always positive

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15