Vector AB = 3i-2j and Vector AC = i-5j Determine the angle of BAC.

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The class wants to raise a total of $750.if they receive a profit of $1.25 from each candybar sold, how many bars must they sell to reachtheir goal

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided