10x + 38
40 + 7x
determine the value of x

Given (1+cosx)/(sinx) + (sinx)/(1+cosx) =4, find a numerical value of one trigonometric function of x. a. tanx=2 b. sinx=2 c. tanx=1/2 d. sinx=1/2

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

What function has a range {yly< 5}? question on picture above^