The table shows the number of cars sold per day at a dealership during a promotional sale. What is the equation of the least-squares regression line, where is the predicted number of cars sold and x is the day? round each coefficient or constant to the nearest tenth. = + x.

Vera is on her school's track and field team. in a practice long-jump competition against her teammates, she gets 5 points for landing over the farther line. she gets a total of 7 jumps and lands x times over the farther line and the rest of the times over the closer line. which of the following functions represents vera's total score? a. f(x)=10x b. f(x)=5x+35 c. f(x)=10x+5 d. f(x)=70-5x

The measure of the angles supplement is 30 more than four times that of its complement. find the measure of the angle described

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