The half-life of a certain element is 100 days. How many half-lives will it be before only one-eighth of this element remains?

2

3

8

12.5

Mrs. escalante was riding a bicycle on a bike path after writing to in over 3 of a mile she discovered that she still needs to travel 3/4 of a mile to reach the end of the path how long is the bike path

2453 minus 249 equals

What is the coefficient of the x term in the simplified form of (2x+4) 2?

What is 18% of 41? As a proportion

Eva is showing her work in simplifying (7.3 - 7.2) - 3.8 + 3.7. In which step did Eva make an error? Step 1: (7.3 - 7.2) - 3.8 + 3.7 Step 2: 7.3 + (-7.2 - 3.8) + 3.7 (commutative property) Step 3: 7.3 - 11 + 3.7 Step 4: 7.3 + 3.

I'm a election 4713 people voted candidate B received 2 thirds of the votes. How many votes did candidate b receive

A car can travel 476 miles on 14 gallons of gas. Write an equation relating to the distance d to the number of gallons g. How many gallons of gas first this car need to travel 578 miles?

What is the volume of a cereal box that is 2 inches thick, 12 inches high and 10 inches wide? A) 24 cubic inches B) 72 cubic inches C) 120 cubic inches D) 240 cubic inches

For what value of a is a (2x+3) = 9x+15+xa (2x+3) = 9x+15+x an identity?

Solve the system of equations using substitution x = 3y - 6 2x - 4y = 8