Based on the trend lines you just generated, which of these statements are true? Check all that apply.
Both scatterplots had trend lines with positive slopes.
The same test score is expected from studying for 5 hours or sleeping for 5 hours.
There is no correlation between the test scores and the number of hours slept.
The regression line can predict the number of hours studied based on the number of hours slept.
There is evidence that those with higher test scores tended to sleep more the night before.

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?