Why is it necessary to learn how to factor if you can just use the quadratic formula to solve quadratic equations?

At a recent Sing Thing, it was found that together, Anne and Bob weigh 180 kg, Carl and Dee weigh 210kg, and Ann and Carl weigh 220kg. Together, Bob and Dee weigh,

Dream studio offers 5 music lessons for $60 fox studio offers 8 music lessons for $72 what is the cost per lesson at each studio? What studio offers a better deal? Why?

Which of the following equations is written in standard form? A. 2.5x+3y=12 B. - 10x-3y=1 C. 2x+3y=12 D. 5x+5y=10

Coach baron bought 66 pounds of ice cream for the end of the year Little League social. There are 8 teams, each with 12 people. If the ice cream is to be divided equally amongst each person, how many ounces of ice cream will each person get?

What is the gcd of 5/9 2/12

What value of x marked the equation 9^5x9^7=9x

Enlarge and Kate played basketball last year.

30% of middle school kids are walkers. If there are 120 middle school kids how many of them are walkers.

Find the radius of a circle that has an area of 1,256 ft2

There are 11 candidates for homecoming king and 12 candidates for homecoming queen. How many possible outcomes are there for homecoming king and queen? 156, 182, 132, 210?