To choose a sample for a survey of seventh graders, the student council puts pieces of paper with the names of all the seventh graders in a bag and selects 20 names. Is it ransom sample or a biased sample. Explain.

Abbiie eats 8 times the apple jerry eats 10 times the apple. how many more apple did they both eat?

Michael is measuring fabric for the car costumes Play school play he needs a living. 5 m he has 28.5 cm of fabric how many more centimeters of fabric does he need?

Markus receives dollar bills from his grandfather for one week on the first day he received $1 on the second day he received $2 on the third day he received $4 and on the fourth day he received $8 if this continues how much money will Marcus have by

If you could explain how I would get this answer also that'd be great Jocelyn makes x dollars per hour working at the grocery store and n dollars per hour babysitting.

3/4x + 1/2 = 2/3x + 2

The lines below are parallel. If the slope of the green line is - 4, what is the slope of the red line?

Which fraction is equivalent to 2/6?

Lemonade is made by mixing lemon juice and water in the ratio of 2 to 3. How many glasses of lemon juice and water are needed to make 15 glasses of lemonade? a. 3 glasses of lemon juice, 12 glasses of water b.

Which expression represents "6 more than x"? A. x-6 B. 6ix C. x+6 D. 6 - x

Jill is 14 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2.5 kilometers per hour. They meet in 4 hours. How fast is Joe walking?