Renee pays for a cat toy with a $10 bill and receives $4.35 in
change. The equation 10 – c = 4.35 gives the cost in dollars of
the cat toy. Determine whether c=5.35, c = 5.65, or c = 6.35
is a solution of the equation, and tell what the solution means.

Which inequality has a dashed boundary line when graphed ?

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

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.