Prove that (Sec theta-1) / (sec theta+1) = [sin theta / (1+cos theta) ]^2

Express 43/8 as a decimal correct to 3 significant figures (A) (B) (C) (D) 4.30 4.37 4.38 4.40

Factor completely. a^2 - 25b^2

24,000 nearest ten thousand

In the diagram below, WXY is an equilateral triangle and XZ WY. Which statement must be true? A. WX = XZ B. WX = 2 • WZ C. WX = 2 • XZ D. WX = WZ

What type of line is the graph of x = - 2?

Y=6x-3 and 6x+12. how many solution the system has

A muffin sale at the Community Theater Fall Festival took in $84.75. All muffins sold for $0.75 each. How many muffins were sold?

Tim Invested $5,000 in a savings account for 6 years. He earned $550 over that fine period. What is the interest rate?

If N is the set of natural numbers that are factors of 16, choose the selection below that correctly shows this set in roster form. (There are no multiple choice answers)

12. Brad sells ice cream and soft drinks at outdoor festivals. He buys soft drinks for 50 cents per can and ice cream bars for $75 per hundred. He marks up all items by 100 percent selling the drinks for $1.00 and ice cream bars for $1.50.