Which of the following functions have y-axis symmetry?
a. y=x?, y= \xl, y = cos(x)
C. y=x, y= x3, y = 5, y = cos x
b.
y=sinx, y = cos x, y=x, y = x3
d.
1
y=- y = sinx, y = x2
X

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?