What is cos^2x (sec^2x - 1)

Ten pencils cost $1.50. How much does it cost to buy 4 pencils? A.) $0.60 B.) $0.75 C.) $3.75 D.) $6.00

What is the root square of 50

Oak grove and salem are 87 mi from each other. How far apart would the cities be on a map that has a scale of 5in: 29mi

The aspect ratio is used when calculating the aerodynamic efficiency of the wing of a plane. For a standard wing area, the function A (s) - 36 can be used to find the aspect ratio depending on the wingspan in feet.

What is the simplified form of 24y to the eighth power over 15 x to the fifth power divided by 8y to the fourth power over 4 x squared

Among all pairs of numbers whose sum is 16 , find a pair whose product is as large as possible. what is the maximum product

This week beth made 10 more then twice the number of cookies she made last week, x. Which expression represents the total numbwr of cookies beth made this week

Mrs. Zamir wants to buy 8 protractors and some erasers for her classroom. She has $30.00. If protractors cost $2.65 each, how much will Mrs. Zamir have left to buy eraser?

5x - (14 - x) = - 30 - 2x

Which expression correctly represents the product 12 (8 + 5) after applying the distributive property? A. (12 * 14) B. (12 * 8) + 5 C. 8 + (12 * 5) D. (12 * 8) + (12 * 5)