A random sample of 20 items is selected from a population. to determine the appropriate critical t-value what number of degrees of freedom should be used?

the. expression to find the perimeter of a rectangle is 2 (lengtg+width) what is the perimeter in units of a rectangle of length 1/3 unit and width 1/2 unit

Mary pu in a total of 16-1/2 hours babysitting during 5 days of the past week. What was her average work day?

Lauren describes a parabola where the focus has a positive, nonzero x coordinate. Which parabola (s) could Lauren be describing? Check all that apply. x2 = 4y x2 = - 6y y2 = x y2 = 10x y2 = - 3x y2 = 5x

The price of a gallon of milk was $2.65 the price Rose y dollars the price dropped $0.15Rose by $0.05 which expression represents the current price of milk

Using the given zero, find one other zero of f (x). 1 - 6i is a zero of f (x) = x4 - 2x3 + 38x2 - 2x + 37

You have $90 in your bank account. Each week you plan to deposit $8 from your allowance and $15 from your paycheck. The equation bequals90plus (15plus8 ) w gives the amount b in your account after w weeks.

What is the solution to the linear equation? 2/3x - 1/2 = 1/3 + 5/6x

Daniel could do 20 pushups when he first began his workout program. He increased the number of pushups he completed by 5 each week for 8 wk. Let w represent the number of weeks, and let p represent the number of pushups he completed.

The following rates are proportional. $0.70 for 2 boxes and $1.75 for 5 boxes TrueFalse quick

If p (x) = x^4-2x^3 - 3x^2 + 4, what is the remainder of p (x) divided by (x - 3)