Polygon c and polygon d are similar .the perimeter of polygon c is 60 inches and the perimeter of polygon d is 12 inches .if one side of polygon c is 4 inches what is the length of the corresponding side in polygon d ?

Is the square root of 4 plus the square root of 16 rational?

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.