Solve the inequality −30c>23 and write the solution in interval notation, using improper fractions if necessary.

What is the value of f(x) = 2.2 for f(-2)?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

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