Is f (x) = sec x concave up or concave down at x = 17/pi/4

What is the domain of the function y=2square root of?

What is the scale factor of the geometric sequence? 200,100,50,25

41 % of U. S. adults have very little confidence in newspapers. You randomly select 10 U. S. adults. Find the probability that the number of U. S.

Describe a situation that can be represented by the integer 12.

Tonya plans to join a fitness club. She researched the costs to join different clubs in her area and found that there is a linear relationship between the total cost of belonging to a club and the number of months that you are a member.

How much would $300 invested at 9% interest compounded continuously be worth after 3 years? Round your answer to the nearest cent. A (6) - Pa

Write an equivalent expression for 48 + 18x

The sides of a triangle are 1, x, and x2. what are possible values of x?

You want to buy one DVD for $24.99 and another for $19.99. What is the total price of both DVD's plus tax if sales tax is 6.75%?

Simplify - 4 1/5 - ( - 13 1/10)