Which function is even? Check all that apply.
D A. y=cos x
O B. y=sec x
o C. y=cscx
O D. y=sin x

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

Divide. write in simplest form 41/6 divided by 10

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|