A Team of science students placed a chalk mark on the side of a wheel for an experiment. They rolled the wheel in a straight line until the chalk mark returned to the same position. The team then measured the distance the wheel travelled and found it to be 30cm. What is the area of the wheel? Use π = 22/7 and give the answer to the nearest tenth. *

286.6 cm2
143.3 cm2
71.7 cm2
23.6 cm
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Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Find the pattern and use it to list the nth term in the sequence. 6, 12, 20, 30, 42, 56, the nth term of the sequence is

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values