Plz help me with this. Zack needs 5 3/4 cups of sugar to make cookies. He needs and additional 1 1/4 cup for bread. Find the total amount of sugar that zack needs

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!