Consider the expression sin 0 + cos( 90° - 0) + cos 0 + sin( 90° - 0). For any angle 0, which of the following is equivalent to the expression above? (A) O (B) 2 sin 0 (C) 2 cos 0(D) 2 (sin 0 + cose)

For a house call, a veterinarian charges $70, plus $40 an hour. a. write an equation that represents the total fee y y (in dollars) the veterinarian charges for a visit lasting x x hours. equation: y= y= no response given b. find the x-intercept. x-intercept: