10 Mr. Jones purchased a new Bluetooth speaker for $89.99. Sales
tax is 8%. How much will Mr. Jones pay for the speaker with
sales tax?
A. $82.79
B. $90.08
C. $97.19
D. $107.20

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 .

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.