Ajeweler buys gold jewlryand resells the gold to refinery. the jewers buys gold for 1235.55 per ounce, and then resells it for 1376.44 per ounce. how much pfofit does the jeweler make from buying and reselling 73.5 ounce of gold

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?