Pls find the answer for question 2

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

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.