Given that lines a and b are parallel, what angles formed on line a when cut by the transversal are congruent with ∠6?
a) ∠1 and ∠2
b) ∠1 and ∠4
c) ∠2 and ∠3
d) ∠2 and ∠4

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

How many glue sticks are in a basket containing 96 scissors, if the ratio of glue sticks to scissors is 19 to 57.

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.