The map of a biking trail is drawn on a coordinate grid. the trail starts at p(−6, 3) and goes to q(3, 3). it goes from q to r(3, −4) and then to s(6, −4). what is the total length (in units) of the biking trail? (1 point)

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19

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

Use the distributive law to multiply. 3(4x + 5y + 6)

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?