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

A bag contains eight green marbles and four blue marbles. what is the probability of drawing a green marble on the second draw?

Least to greatest 1.3, - 3/2, - 1.2, 1 1/2

Sixteen students in a drama club want to attend a play. The ticket price is $35 for each student, and the transportation and meals for everyone will cost $960.

The triangular region shows the number of possible ounces of pepperoni slices, x, and the number of possible ham slices, y, a pizza maker can use on a special pizza.

Write a explicit formula for the sequence 10, 9.5, 9, 8.5, 8 then find ^a8

A number is multiplied by 3. If 3 is subtracted from the product you get 24.

Convert 45 miles per hour to feet per hour. Round your answer to the nearest hundredth, if necessary.

You are a driver of a dump truck with a trailer (dump bin) that is 21 feet long, 8 feet wide, and 6 feet tall Daily, you haul full loads of dirt from one location to another. The dump bin can hold dirt equivalent to 1.

What is 6/10 simplified

Last month, Ms. Andrea's math class had an average test score of 80. This month, the new average test score is 125% of the previous month's average score. What is the new average test score for the class?