Can someone please help me find angle D and side DF please Bad answer will be reported..

Which of the following is the true for f(x) = 5cos

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points