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10. marcos had 15 coins in nickels and quarters. he had 3 more quarters than nickels. he
wrote a system of equations to represent this situation, letting x represent the number of
nickels and y represent the number of quarters. then he solved the system by graphing.
what is the solution?

Measures of the angle of r, 31 s (x+4) t (3x+9)

Acertain group of women has a 0.640.64% rate of red/green color blindness. if a woman is randomly selected, what is the probability that she does not have red/green color blindness? what is the probability that the woman selected does not have red/green color blindness? nothing (type an integer or a decimal. do not round.)

Tom is buying topsoil for the flower bed shown below. one bag of topsoil covers 15 square meters. how many bags of topsoil does tom need to cover his flower bed?