Evaluate the product using a sum or difference of two functions, leave them in terms of sine or cosine. 2cos(56) cos(47)

If sin θ=24/25 and 0 less than or equal to θ less than or equal to π/2, find the exact value of tan 2θ. answers; a) -527/336 b) -336/527 c)7/24 d) 24/7

Sara can take no more than 22 pounds of luggage on a trip.her suitcase weighs 112 ounces.how many more pounds can she pack without going over the limit?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.