Suppose 2kg of a radioactive substance decays to 250g in 75years. what is the half-life of the substance?

Which number is larger 7.5 or 7.058

The random variable X is normally distributed with mean 82 and standard deviation 7.4. Find the value of q such that P (82 - q < X < 82 + q) = 0.44.

What is 340 divided by 20?

Silas took 13 bags of glass to the recycling center. He still has 11 bags of plastic to take to the recycling center. Which equation could be used to find x, the total number of bags of glass and plastic Silas will take to the recycling center? A.

What is. 45 : 10 = ?

Translate the expression x/2+6•x into words

Mona is planning her son's birthday party and has a budget of $285. The fun zone charges $19 per child. How many children can she have at the party and stay within her budget?

What is the equivalent decimal? Drag the answer into the box to match the fraction. 10/66

How many weeks are in 5 years

What does the equation y = x2 represent as a curve in the set of real numbers2?