Roast beef has 25 g of protein and 11 g of calcium per serving. a serving of mashed potatoes has 2 g of protein and 25 g of calcium. how many servings of each are needed to supply exactly 29 g of protein and 61 g of calcium?

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true