Imagine a regression line that relates y = average systolic blood pressure to x = age. the average blood pressure for people 40 years old is 110, while for those 50 years old the average is 130. (a) what is the slope of the regression line? (round the answer to one decimal place.)

What are the soultion(s) to the quadratic equation 40- x^2=0

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75