A set of biology exam scores are normally distributed with a mean of 707070 points and a standard deviation of 666 points. Let X=X=X, equals the score on a randomly selected exam from this set.

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.

30.5*10=350$

you have to multiply the number without the decimal point then add it later but if its tenn u must move the place value of the decimal point 1 to the right.