In ∆ABC, a = 7, b = 5, c = 8. What is the measure of ∠BAC?
The measure of angle ∠BAC = _ °

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .