Insert parenthesis in the expression: 5+4*2+6-2*2-1 so that it has a value of 19

Mark invited ten friends to a party. Each friend brought three guests. How many people came to the party, excluding Mark?

How to factor 4x^2+24x+27

Nicolas says that (2^6) (2^6) equals 2^12 and also equals 4^6. Do you agree?

What is an algebraic expression for each phrase? a - the product of 9 and a number 1 b - the difference of a number x and 1/2 c - the sum of a number m and 7.1 d - the quotient of 207 and a number m

Which is the better buy, $8.47 for 7 pounds of apples or $11.07 for 9 pounds? Explain

Dexter plans to spend totally 8 hours on preparing for his final. He will spend 3.5 hours on math. He needs twice as much time on biology as on English. He plans to take three 30-minute breaks in-between his study.

In 2002, the price of mailing a letter was $0.34 for the first ounce or part of an ounce and $0.21 for each ounce or part of an ounce after the first ounce. How much did it cost to mail a four-ounce letter?

When does the graph of a quadratic function open upward of downward

Hi what one eight of ninety

Find the total tax deductions for each of the following weekly paychecks. weekly pay $198.00 $340.00 $250.00 FICA (7.65%)