Find all solutions to the equation in the interval [0, 21).
COS X = sin 2x

A. Pi/2, 3pi/2
B. Pi/6, pi/2, 5pi/6, 3pi/2
C. 0, pi
D. 0, pi/6, 5pi/6, pi

Aline passes through the point (9,-7) and has a slope of 4/3 write an equation in point-slope form for this line. first to answer correctly gets brainleist

All below answer as a ratio in simplest form a. 8 feet to 6 yards as a ratio b. 76 centimeters to 1 meter c. 6 cups to 4 pints d. 9 gallons to 21 quarts e. 45 seconds to 2 hours f. 4 years to 8 months

If f(x) and g(x) are inverses, what will be the values of f(g(x)) and g(f(