PLEASE PLEASE PLEASE HELP ME Which of the following is a perfect square trinomial? A) x^2-8x+16
b) x^2+4x+36
C) 4x^2-20x-25
D) x^2-16

Given (1+cosx)/(sinx) + (sinx)/(1+cosx) =4, find a numerical value of one trigonometric function of x. a. tanx=2 b. sinx=2 c. tanx=1/2 d. sinx=1/2

In the rectangle below ac=30 units what is de

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.