For a standard normal distribution, which of the following expressions must always be equal to 1?

Fermium-253 has a half-life of three days. a sample contains 400 g. how long will it take for the sample to decay to 100 g?

Find the surface area of the rectangular prism. 3 mi 4 mi 1 mi

Solve a0 = 1, and an = 2an-1 + 1 for n ≥ 1 using the characteristic equation method. hint: try an = a, a constant, to find a particular solution.

To make 100g of jam you need 57g of strawberries, 13g of blackberries and the rest should be sugar. What is the ratio of blackberries to sugar? Give your answer in its simplest form

Write an equation for a circle with center at (10, - 8) and diameter = 12.

If f (x) = 2x+4 and g (x) = 3x-7; then find (f+g) (4)

What is the lateral area of the rectangular prism? Assume the prism is resting on its base. L=10 W=5 H=4 A. 200 in2 B. 180 in2 C. 90 in2 D. 50 in2

5. In "The Pigman & Me," John announces that he is going to exact revenge on Paul. What does he mean by exact? (1 poin in a precise way sign into law take by force separate one object from another

A circle has its center at (6,-3) and a radius of 5 units. What is the equation of the circle?

A rowing team rowed 90 miles while going with the current in the same amount of time as it took to row 10 miles going against the current. The rate of the current was 4 miles per hour. Find the rate of the rowing team in still water.