Sine, cosine, and tangent.
any at all would be super appreciated.

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

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?