What is 5 + 15 * 1?

and what is 2+2?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)