A bag contains 8 blue and 3 red counters. Two counters are removed, without replacement.

Draw a tree diagram and use it to calculate the probability that at least one of the counters is red.

Write your answer as a fraction

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p

Of jk j(–25, 10) k(5, –20). is y- of l, jk a 7: 3 ? a. –16 b.–11 c. –4 d.–1

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.