What is the coefficient of x² +7x=0: Wich one?
A. a=1,b=0,c=7
B. a=7,b=0.0=7
C. a=0,b=1,c=7
D. a=0,b=0.c=7
E. a=1,b=7,C=0​

Find the given elements if matrix d:

Find the length of the diagonal of the rectangle. round your answer to the nearest tenth. || | | 8 m | | | | 11 m

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.