Which of these is not a technique that can be used to randomly assign

students to a treatment group?

A. Getting recommended by a teacher

B. Flipping a coin

C. Rolling a die

D. Choosing a card from a fair deck

Factor the Equation: 4x⁴y²+9x²y⁴+12x³y³+16x²y+24xy²+16

There are 1,000 students. out those students 20 percent speak spanish how many speak spanish

Mrs. McCune is building a fence around her garden in her backyard. The total amount of fencing she used was 22 ft. We know that the length of the garden was 6 feet. What is the width of the garden?

Question 27 a circle has a radius of 12in. find the length s of the arc intercepted by a central angle of 89°.

A ball is thrown into the air with an initial velocity of 60 ft/s. its height h in feet after t seconds is given by the function h=-16t^2 + 60t + 6. a : After how many seconds will the ball reach maximum height? b : What is the maximum height?

Subtract these polynomials. (3x7 - 2x + 5) - (x7 + 3) = A. 4x7 - 2x + 8 B. 2x7 - 2x + 8 C. 2x7 - 2x + 2 D. 4x7 - 2x + 2

If the cooking time is 4.33 hours and the food should be ready by 17:15pm what time should we start cooking

How do you factor the equation 7x^2=175?

Dennis is packing 108 pens, 80 books, 96 notepads into a boxes. He wants to pack an equal amount of each in each box find the greatest number of boxes and the amount in each box.

A boating supply store carry 2 215 different products for boats in their store the store offers another 6 212 product from their catalog that are special orders items.