Simplify cos^2x-1/1-cos^2x

The shortest living man on Earth is 21 inches tall. The tallest living woman on Earth is approximately 4 times taller than the shortest man. How tall is the tallest living woman on Earth?

of the grade six students surveyed 12% bring their lunch to school supposed 20 for six graders do this how many grade 6 students are at the school

Juan has $1000 that he would like to put in a savings account. The tables to the right show the balance over time in his account at two local banks.

What is 175% of 10?

Simplify each expression. 1. (x + y) + 4 (2x - y) 2. 100 - 7 (3x - 4) + 10x 3. 16z - 3 (5z + c) + 2c

Which equation would you use to solve this problem? Six is 8% of what number? 1. p = (0.08) 6 2. 6 = (0.08) w 3. 8 = (0.06) w 4. 6 = (0.8) w

Jason inherited a piece of land from his great uncle. owners in this area claim that there is a 45% chance that the land has oil. jason decides to test the land for oil.

True or false:since a regular hexagon contains no circles, it can be drawn using only a straightedge

Simplify: (3x+5y-4) - (4x+11)

A car dealership purchased a car for $15,000. They mark up the price by 35%. What is the retail price of the vehicle