18 carat gold is an alloy containing gold and another metal in the ratio by mass: 3 : 1 if an 18 carat gold ingot has a mass of 250 g, what mass of gold was used to make the alloy?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

What is the absolute value of the complex number -4-sqrt2i

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?