For parts b and c what value of x makes each equation true ? b: 5x+4-8x=6-3x-7

c:27-3-4x

Determine the relationship of ab and cd given the following points

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?