Consider the graph of a quadratic function, y = ax2 + bx + c. If b2 - 4ac > 0, then

Cos (theta) = 8/17 270

What is meant by "bias due to selective survival" in cross-sectional studies? Under what circumstances might there be no selective survival bias even if the selection probabilities are not all equal?

What's the least common denominator of 7/12 1/3 and 3/4?

Two mechanics worked on a car. The first mechanic worked for 10 hours, and the second mechanic worked for 5 hours. Together they charged a total of $775 .

What is the solution to this inequality 4 - 2/3 k ≤ 10

What equation would be perpendicular to y=2x-2?

A family has an annual income of $27,000. Of this, 1/4 is spent for food, 1/5 for housing, 1/10 for clothing, 1/9 for savings, 1/4 for taxes, and the rest for other expenses. How much is spent for housing?

A) Write 7,269,000,000 in scientific notation.

A student wants to reduce the size of an article he found in a newspaper. The original article was 25 centimeters wide. He needs to reduce it so its width measures 12 centimeters.

11 multiplied by 8.5