TINER URCES
Chapter 03, Testbank, Question 027-029
The temperatures (in degrees Fahrenheit) observed during seven days of summer in Los Angeles are:
78 99 68
91
95 75 85
The range of these temperatures is:
The variance of these temperatures, rounded to three decimals, is:
The standard deviation, rounded to three decimals, of these temperatures is:

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

The data shown in the table below represents the weight, in pounds, of a little girl, recorded each year on her birthday. age (in years) weight (in pounds) 2 32 6 47 7 51 4 40 5 43 3 38 8 60 1 23 part a: create a scatter plot to represent the data shown above. sketch the line of best fit. label at least three specific points on the graph that the line passes through. also include the correct labels on the x-axis and y-axis. part b: algebraically write the equation of the best fit line in slope-intercept form. include all of your calculations in your final answer. part c: use the equation for the line of best fit to approximate the weight of the little girl at an age of 14 years old.

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.