Part a: explain why x = 3 makes 4x − 1 ≤ 11 true but not 4x − 1 < 11. (5 points) part b: what value from the set {4, 5, 6, 7, 8} makes the equation 8x + 1 = 57 true? show your work. (5 points)

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.