Samira needs 22 quarts of lemonade to fill a dispenser. she plans to buy 7 jugs of lemonade. each jug contains 3.3 quarts.

is this a reasonable plan?

a . no, it is not reasonable because each jug contains about 3 qt. so in order to get 22 qt, she needs more than 7 jugs.

b. no, it is not reasonable because each jug contains about 7 qt. she needs to buy 4 jugs to be sure she has enough lemonade.

c. yes, it is reasonable because each jug contains a little more than 3 qt of lemonade. so 7 jugs will equal a little more than 22 qt

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.