Mary spent a total of $322.73 for a party. She spent $200.21 on food, plus an additional $30.63 for each hour of the party. How long was the party?

A.

4 hours

B.

5 hours

C.

6 hours

D.

3 hours

What does it mean for rows to be linearly independent?

Melissa has $1,000.00 to invest for 5 years. She can choose either simple interest at 6.4% interest, or compound interest at 12.8% interest, compounded annually. Which is the better investment? A.

What number multiplied by 1/3 equals 10

In one day, by how much does the distance traveled by the tip of the minute hand exceed the distance traveled by the tip of the hour hand?

4. What is the minimum number of right angles there can be? 5. What is the minimum number of acute angles there can be? 6. What is the minimum number of obtuse angles there can be?

Calculate the consumers' surplus at the indicated unit price p for the demand equation. (Round your answer to the nearest cent.) q = 20 - 0.05p^2; p = 4

EP ∥ TQ, EQ ∩ PT = K Prove: △TKQ~△PKE

What is the coefficient of n^2 in the sum of - 5^4+4n^2-n+5 and 7n^4-5n^3-9n^2+3n+2

The table shows the number expressed in millions of citiz6who moved in 2004

Alan has read 80 % of a book. He has 4 more pages to finish. How many pages are there in the book?