From the deck of cards shown, two cards are drawn with replacement. the probability of drawing a yellow followed by a yellow is 1 out of

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Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Which value would be a solution for x in the inequality 47-4x< 7

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.