Verify this identity: secx-cosx = 1-cos^2x/cosx

When two parallel lines are cut by a transversal, angles A and B are alternate interior angles that each measure 105°. What is the measure of each of the other alternate interior angles?

What is 7,750 to the nearest thousand

Claire has 7 parakeets she puts 4 of them in a cage she divides the other parakeets equally among 3 friends to hold how many parakeets does each friend get to hold?

Two groups performed an experiment separately by tossing a coin in the air. Group E performed 50 trials and group F performed 100 trials.

Y^1-0=2 (x^1-5) What is the rate of change of the function above?

How do I simplify 9/243

How far does Gerry live from school

Percent sales tax: 7% price before tax: $250 price with tax:

Can you show the work to 156 divide by 11

Which expression is equivalent to a + (c + 7) ? 7 a c a minus (c + 7) (c + 7) minus a (a + c) + 7