Express the sum of each pair of numbers as a product of the greatest common factor of the numbers and another sum.
9. 42+105 10. 54+90

Convert 2000 swiss francs to dutch guilders

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?