Pollsters take a survey of people at a ball game to collect and analyze data about favorite leisure activities of Star City's residents. Would this study be biased? Why or why not?

Is x the square of an integer? (1) x = 12k + 6, where k is a positive integer (2) x = 3q + 9, where q is a positive integer

Solve each system of equations Y = x + 3 Y=2x+5

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Mark buys last year's best-selling novel, in hardcover, for $16.80. This is with a 20% discount from the original price. What was the original price of the novel?

The equation y=36x represents the relationship between x, the number of yards and the y, the number of inches. Which ordered pairs represent the number of yards and the number of inches in the given equation? Choose all that apply A. 2,72 B. 4,40 C.

Find the number of positive integers n is less than or equal to 1000 such that 15n is a perfect square.

You estimate that 200 people attended a school concert. The actual attendance was 240 people. a. Find the percent error to the nearest tenth of a percent.

Harry had 2/3 of a candy bar. He gave 1/4 of the candy bar to James. How much does he have left? A. 1/3 B. 5/12 C. 1/4 D. 1/10

The student council buys pencils for $0.05 each and sells them for $0.25 each. Which expression represents the amount of profit the student council makes from selling p pencils? a (0.25-0.05) p b (0.25+0.05) p c 0.25p-0.05 d 0.25p+0.05

The ratio of girls to boys in the grade is 7 to 8. If there are 140 girls, how many boys are there