Simplify the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: C
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The table below shows the number N of persons injured per 100 accident-involved vehicles when the accident speed was s miles per hour. s 20 30 40 50 60 N 28 34 38 46 71? A: Use exponential regression to model N as a function of s. Round your answer to two decimal places.B: Plot the exponential model along with the data points.C: Do the data show that accidents at speeds of 60 miles per hour are more dangerous or less dangerous than predicted by the model?
What will be an ideal response?
Find an angle ? between 0° and 90° having the specified function value. Round your answer to the nearest hundredth of a degree.tan ? ? 0.2693
A. 15.07° B. -15.62° C. 105.62° D. 15.62°
Find an equation for the hyperbola described.Vertices at (±3, 0); foci at (±7, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
y?? + 25y = 25 3
What will be an ideal response?