Work out the total surface area of this hemisphere which has a radius of 10 cm. Leave your answer in terms of pi.

Emily and her feiends qent to the park. they saw 15 robins and 9 blue jays. how many birds did they see? explain how you decided what number sentence to write.

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.