Rewrite with only sin x and cos x. sin 2x - cos x

A. 2 sin x cos^2x
B. sin x
C. cos x (2 sin x - 1)
D. 2 sin x

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

The ratios of boys to girls on a soccer league is 2: 5. if there are 28 boys, how many girls are playing soccer? extra points! will mark as brainiest asap

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?