Which of the following is equivalent to sin(30°)? Question 2 options:
A) cos(60°)

B) cos(90°)

C) sin(60°)

D) cos(30°)

Determine the quotient of the following expression. (15n^2-27n) / 3

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)