Jeff bought a combination of adult tickets for$5.00 each child for$4.00 each what system of equations would tell the number of adult tickets, a, and child tickets, c,he bought?

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The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais