If δefg ~ δlmn with a ratio of 4: 1, which of the following is true?

a) segment ef over segment lm equals segment fg over segment ln
b) segment ef is congruent to segment lm
c) segment ef over segment lm equals segment fg over segment mn
d) segment eg is congruent to segment lm

Need on this geometry question. explain how you did it.

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

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.