Triangle def is congruent to right triangle ghi with a right angle at vertex h. if the slope of de is –2, what must be true?

the slope of hi is 1/2.

the slope of ef is 1/2.

the slope of gh is –2.

the slope of df is –2.

Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

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.