Solve the equation- 3x/5 - .5 = 1.9

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

Astudent drew a circle and two secant segment. he concluded that if pq ~= ps, then qr ~= st. do you agree with the student’s conclusion? why or why not?