How do you solve cosC = 11/-24?

Product A is an 8oz. Bottle of cough medicine that sells for $1.36. Product B is a 16oz. Bottle cough medicine that costs $3.20. Which product has the lower unit price?

If m∠ABC = 53° and m∠ECD = 40°, which statement explains whether the AA similarity postulate can be used to determine whether ΔBAC ~ ΔEDC? Yes, the AA similarity postulate can be used because a reflection over line f will establish that ∠ABC ≅ ∠DEC.

Given A = { (1, 3) (-1, 5) (6,4) }, B = { (2,0) (4, 6) (-4,5) (0, 0)) and C = { (1, 1) (0, 2) (0, 3) (0, 4) (-3,5) }, answer the following multiple choice question: From the list of sets A, B, and C, state the domain of set B.

A catering service offers 7 appetizers, 8 main courses, and 11 desserts. A banquet chairperson is to select 5 appetizers, 5 main courses, and 9 desserts for a banquet. In how many ways can this be done?

Ted lives 10 miles south and 10 miles west of the city represented on the graph above. His brother Ned lives 30 miles north of Ted's house. What are the coordinates of each brothers house?

Mr. Frankel bought 7 tickets to a puppet show and spent $43. He bought a combination of child tickets for $4 each and adult tickets for $9 each.

Explain how your brain and sensory organs get information from the outside world

Do you add the discount before or after the tax

What is 0.83000000001 a rational or a irrational?

Show that 1+kx is the local linearization of (1+x) ^k near x = 0