Arectangular building layout is considered to be a square if
a. the diagonal measurements are the same length
b. two opposing walls are parallel
c. one angle is 90 degrees
d. two opposing walls are the same length

Arandom variable x has a mean of 10 and a standard deviation of 3. if each value of x is multiplied by 2, what will the new mean and standard deviation be?

The career field ensures that facilities and equipment run smoothly.

The use of fertilizer on a large farm would have the largest effect on which of the following? rate of photosynthesis in local plants amount of smog in the lower atmosphere rate of anaerobic respiration in aquatic bacteria extent of eutrophication in nearby water bodies rate of evapotranspiration from surrounding area