URGENT URGENT PL Lorenzo is a sophomore at Stafford College. Last year, tuition was $3,930.49 per semester. This year, he paid the same amount for each semester. What was the percent of increase in the cost of tuition?

The holiday party will cost $160 if 8 people attend. if there are 40 people who attend the party, how much will the holiday party cost

Which geometric principle is used to justify the construction below?

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