Aschool has 200 students and 20 teachers .what is the ratio of students to teachers.

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

What is the radius of the cone in the diagram? round your answer to the nearest whole number

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given