Colleen recorded the type of trees in the woods near her house. She counted 20 spruce trees and 50 maple trees. What is the experimental probability that the next tree Colleen finds will be a spruce tree?

A) 2/7
B) 3/5
C)5/7
D)2/5

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

If a || b and e || f , what if the value of y ?