What are the solutions of the equation x4 – 5x2 – 36 = 0? use factoring to solve.
a. x = ±2 and x = ±3
b. x = ±2i and x = ±3
c. x = ±2 and x = ±3i
d. x = ±2i and x = ±3i

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?