The half-life of a radioactive kind of europium is 9 years. How much will be left after 18 years, if you start with 40 grams of it?

What is the exact value of 7^x x=2? Pre-calc show your work.

If the inflation rate is positive, purchasing power. This situation is reflected in the rate of return on an investment, which will be the rate of return.

Robert has a container of a shape of a cube with an edge length of 6.1 what's the value of the container

Determine the final price of a jacket that originally costs $50 and is on sale for 30% off.

2. Given the data 14, 26, 23, 19, 24, 46, 15, 21: a. What is the outlier in the data? b. What is the mean with the outlier? c. What is the mean without the outlier? A. 14; 20.3; 23.5 B. 14; 23.5; 20.3 C. 46; 20.3; 23.5 D. 46; 23.5; 20.3

Simplify 7/3+3 (2/3-1/3) squared

Which expression is equivalent to 2x^2-72

Peter flips a coin 50 times. What is the theoretical probability of flipping a heads?

Chelsea has a beginning balance of $715 in her checking account. She writes two checks for $320 and $640. She has a deposit of $400 and an overdraft fee of $29. What is her new balance? $126 $2104 $1094 $184

You Start At (1,9) You Move Left 1 Unit And Up 1 Unit. Where Do You End?