Convert the number (pi) Into decimal form rounded to the nearest thousanth. 3x(pi) =

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 of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4