Determine the base, a, so that the function A(t) = A a' accurately describes the decay of carbon-14 as a function of t years.

Is every rectangle is a parallelogram? true false

Which number completes the system of linear inequalities represented by the graph? y> 2x – 2 and x + 4y 2 et 2 3 4

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0