Amira is painting a rectangle

15. - 2 (a - 4) = 13

Element X is a radioactive isotope such that every 38 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 890 grams, write a function showing the mass of the sample remaining after t years, where the annual

3 snakes for every 7 lizards write the ratio of snakes to total reptiles

simplify (x+3) cubed ... do I expand?

Two possible factors for 8100

What are the solutions to the equation y2 - 1 = 48?

1/4 to 1/2 percentage of change

Solutions to x^2 - 2 = x

Olivia has $250.00 when she opens her cupcake shop inthe morning. she sells each cupcake for $3.50.

The length of an arc of a circle is equal to 1/5 of the circumference of the circle. If the length of the arc is 2π, the radius of the circle is