Which of the following are solutions to the equation tan^2 x-1=0 A. -pi/2
B. pi/2
C. pi/4
D. 3pi/4

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00

Percent increase and decrease. original number: 45 new number: 18