Which pair of numbers below have 4 and 6 as common factors?

Tom and maria typed in words in the ratio of 1 : 5 in 20 minutes. they typed 864 words altogether. find the number of words that each of them typed

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.