How many 3/8 are in 5 1/2

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

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4