Solve -(2x + 4) = 18.
7
-11
11
-7

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Find cot x if sin x cot x csc x = √2

What is y times x by? y is __ times x