A radioactive substance decays exponentially. A scientist begins with 200 milligrams of a radioactive substance. After 17 hours, 100 mg of the substance remains. How many milligrams will remain after 23 hours?

Johnetta simplified seven over nine divided by three over eight.; her work is shown below. Identify where she made her error. Original division problem: seven over nine divided by three over eight.

Write the equation of the line shown in slope-intercept form. AND: Standard form (-1,2) (1,4)

What is the length of a car

13g - 31 = 2g - 9 what's the answer?

When figuring a tip at a restaurant it is customary to leave: a. 5% b. 10% c. 15% or more

An expression is written as m-5 (m+3) + 7m. What is the value of the expression when m=x+1?

Cormac is making 29 phone calls each week as part of a fundraiser. Last week, he made 10 phone calls on weekdays. Which equation could be used to find x, the number of phone calls he made last week on weekend days?

Jasmin's dog weighs 58 pounds. Her vet told her that a healthy weight for her dog would be less than or equal to 40 pounds. Jasmin's dog can lose an average of 1.5 pounds every week.

A town with an initial population of 2,000 doubling in size every 10 years. Exponential function or no?

20% of the past 60% days how many days did it rain