For which set of lines is it reasonable to state that the two lines are almost perpendicular to each other?
a. y = 2.1x 3, y = 2.1x 5
b. y = 0.9x 5, y = -1.26x 8
c. y = 5x 1.25, y = -5x 1.25
d. y = 3/4x 0.28, y = 4/3x 0.29

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years