28. ¿Cuál de los siguientes valores de funciones es negativo? A. sen 120°
B. sen 150°
C. COS 2350
D. COS 300°

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

Ineed to know the answer to this algebra question.

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m