Verify which of the following are identities. (aka formula)
1) image one
2) image two
only the second equation is an identity.
none of the equations are identities.
only the first equation is an identity.
both the equations are identities.

If sin θ=24/25 and 0 less than or equal to θ less than or equal to π/2, find the exact value of tan 2θ. answers; a) -527/336 b) -336/527 c)7/24 d) 24/7

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2