Find the area of the triangle.
A. A = 21 in.2
B. A = 33 in.2
C. A = 66 in.2
D. A = 57 in.2
Answer: B
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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?
Perform the conversion. Round to the nearest hundredth when necessary.15.4 gal to L
A. 4.07 L B. 14.57 L C. 58.37 L D. 16.32 L
Solve the problem.To solve the rational inequality 
? 2, you can first write the inequality with 0 on one side and the other side expressed as a single fraction. What value or values of x make the numerator of that fraction equal to 0?
A. {3} B. {-2} C. {2, 3} D. {2}
Find the sum of the first n terms of the following arithmetic sequence.a1 = -5, d = -6; n = 10
A. 295 B. 220 C. -320 D. -295