A survey estimated that the average cost of textbooks for a semester of college is $320 with a margin of error of ± 8%. What is the range of the possible average cost of text books?

2!7! Divided by 4!8! Simplified

Which type of triangle will always have exactly 1-fold reflectional symmetry?

Two skaters all racing toward the finish line of a race the first skater has for team lead and is traveling at a rate of 12 meters per second the second skater is traveling at a rate of 14 meters per second how long will it take for the second

Find the equation of the tangent plane to (a) z = 4x 2 - y 2 + 2y at (-1, 2, 4)

Standard deduction used for? a. The standard deduction is the minimum size a deduction can be to be counted. b. The standard deduction is claimed automatically, before other deductions are calculated. c.

Which of the pairs of angles are vertical angles and thus congruent?

3r + 7r, Solve for r

Which of these are the intercepts of the graph of y = 3x - 12?

For the given functions find (f•g) (x) and (g•f) (x) and the domain of each. f (x) = 8x+5, g (x) = √x

From the top of a building, the angle of depression to a car on the ground is 52. If the building is 400 ft tall, how far away is the car from the base of the building