Which of the following is not the abbreviation for a statement that can be used to conclude that two triangles are similar?

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!