Answer:
Step-by-step explanation:
B = {p , q , r}
Number of subsets = 
Her, n is the number of elements in the set.
Number of subsets = 2³ = 8
Answer:
C. corresponding angles
Step-by-step explanation:
I think this because 1 and 5 are on the same side and they're angles formed by the transversal line that cuts across
Katie won't have more than 100 shells until the 7th day
If we try to simplify the ratio or try to multiply both by any number, we will get the equivalent ratio
Like :

Divide ( simplify ) by 2

Or multiply by any number,

From the example, 2 / 3 and 8 / 12 are equivalent ratios to 4 / 6