If the decay of 742 mg of an isotope is described by the function A (t) = 742e-0.03t, where t is time in years. Find the amount left after 84 years. Round your answer to the nearest mg.

Diana uses 30 grams of coffee beans to make 48 fluid ounces of coffee. When the company comes she makes 100 fluid ounces of coffee. How many grams of coffee beans does Diana use when the company comes? A. 160 B. 62.5 C. 98.2 D. 14.4

Which algebraic expressions are polynomials? Check all that apply. 2x3 - StartFraction 1 Over x EndFraction x3y - 3x2 + 6x y2 + 5y - StartRoot 3 EndRoot 2 - StartRoot 4 x EndRoot - xStartRoot 6 EndRoot - one-thirdx3 - one-halfx2 + one-quarter

Which of the following equation as that of a line, a circle, an ellipse, a parabola, or a hyperbola is xy=4

These two scalene triangles are similar with a scale of 5:2. What is true about these figures?

Simplify 8+7/8x-1-1/2x.

Solve f (-4) if f (x) = - 4x - 2.

3/4c-1/4c+3=7 what does c equal?

There are 7 school buses taking students on a field trip. There are 37 students on each bus. How many students are going on the field trip

What is the vertex of y=[x] and y=[x-2]

Alexandra has 127 flowers. She puts the same number of flowers in each of her vases. How many flowers will be left over?