A number halved and then halved again is equal to 2 what was the original number

What multiplies to - 20 but adds up to 19

500 students went on a picnic trip. 10 students travelled in each car. Find out how many cars were used for the picnic trip?

What is the interquartile Range for the following data set? {5,6,7,3,9,8,3,1,6,7,7}

Which of the following is closest to 1/2: 9/20, 99 / 200, 26/50, 51/100, 502 / 1000

Factor out the coefficient of the variable 9x-36=

Ms Nickel has a jar of candy on her desk, Jessica thinks there are 3,498 pieces of candy in the jar. There are actually 4,182 pieces. What is the difference between Jessica's guessed and the actual number of pieces of candy?

The students at Southern Junior High School are divided into four homerooms. Benjamin just moved into the school district and will be randomly assigned to one homeroom. Which methods can be used to simulate this situation?

14 is 65% of what number?

Factors fully 4x^2+28x^3

Adriana has 10 pieces of gum to share with her friends there wasn't enough gum for all her friends so she went to the store and got 70 pieces of strawberry gum in 10 pieces of bubble gum how many pieces of gum does Adriana have now