When participants who arrive for a research study are put into treatment groups on the basis of chance, A. The research findings will be compromised because you should never randomly assign to groups B. Random assignment has occurred. C. Random sampling has occurred D. The statistical conclusions will also be absolutely correct.

no, the equation would be invalid since they are both not equal.

step-by-step explanation:

here you got

4y-6+4y 2-9

first, you would simplify the equation on the form.

4y-6+4y 2-9

then, move all the terms that contains a y to the left and all the other terms to the right.

+4y-4y+-9-6

finally, you will simplify the left and the right side of the equation.

y=-3

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.

what? that isnt a question

step-by-step explanation:

step-by-step explanation:

for volume, add base x height x width