The number of seats in the first row of a concert hall is 6. The second row has 9seats, the third row has 12 seats, and the fourth row has 15 seats. How many seats are in the eighth row?

Find the mode of the following dа ta: 9, 15, 17, 18, 6, 20, 8, 5, 18, 18, 10, 5, 14, 12, 10,7

Solve. x2 + 6x = 10 -3 ± sqrt 10 -3 ± sqrt 7 -3 ± sqrt 19 -3 ± sqrt 13 ... ?

It costs $45 to rent a car each day. There is also a fee of $12. How much does it cost to rent a car for 5 days, including the fee? Write an equation for each problem. Use a variable for the unknown. Solve.

A furniture store bought a couch for $425 and marked the price up by 70%. Angela bought the couch with a 6% tax. How much did Angela pay for the couch?

What is the sum of the sequence: 1+3+5+7 + ... 1001

Last Thursday was costume day at Wayne's school. 20 out of the 100 students at the school wore a costume. What percentage of the students wore a costume?

The library has at least 5,000 books. Which inequality represents the number of books, b, at the library? A - b> 5,000 B - b> 5,000 or equal to C - b< 5,000 D - < 5,000 or equal to

Explain what 78.5% would look like on a 100% block. Then write it as a decimal.

The house numbers on Carr Memorial Avenue follow a pattern. The first four houses on the left side of the street are numbered 8, 14, 20 and 26. How many more houses are on the left side of the street with numbers less than 50?

Rewrite the following linear equation in slope intercept form. Write your answer with no spaces. Y+4 = - 2 (x-1)