You have 784 grams of a radioactive kind of europium. If its half-life is 13 years, how much

will be left after 39 years?

Write an inequality that represents the following: Max has more than 5 carrots (number of carrots Max has = c)

Two consecutive, odd integers have the property that when the smaller is add to twice the larger, the sum is 43. Find an equation that could be used to determine the smaller integer represents by the variable n.

The total number of marbles is 70 and there are 6 times as many blue marbles as yellow marbles. how many red marbles are in the bag?

Divide 93 by 3 using repeated subtraction

Tamara says that 15 / 3 = 5 is she correct? explain

Alexa mom has 3 kids. Their names are Ally and Alex, what is the 3rd ones name.?

What is the answer for 2x - (x+10) = 45

The volume of one of the Great Lakes is 3.5 * 10^3 cubic kilometers. If there are 6.3 * 10^7 fish in the lake, what is the average number of fish per cubic kilometer?

An old billionaire is writing his will, and deciding how to distribute his nine estates among his three children. He wants to give each child at least one estate, and he does not want to give any two of his children the same number of estates.

You drive an average of 300 miles per week in a vehicle that gets only 14 miles per gallon overall. with the cost of gasoline at $3.