∠1 and ∠2 are supplementary.

∠1=124°∠2=(2x+4)°

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what is the value of x?

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )