What are the square roots of 144 over 256 ?
a.
minus 12 over 16 and 12 over 16
b.
minus 12 over 18 and 12 over 18
c.
minus 9 over 16 and 9 over 16
d.
minus 72 over 128 and 72 over 128

Every rhombus is a square. true false

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75