Find the area of the triangle.

A. 252 ft2 
B. 220.5 ft2
C. 798 ft2 
D. 399 ft2 


Answer: D

Mathematics

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Evaluate the integral.

A. sec 8x tan 8+ ln + C
B. sec 8x tan 8- ln + C
C. sec28x tan 8+ ln + C
D. sec 8x tan 8+  + C

Mathematics

Express the number in decimal notation.7 × 10-7

A. 0.0000007 B. -700,000 C. 0.00000007 D. 0.000007

Mathematics

As part of a study, 800 college football players are randomly chosen and their weights taken. The distribution of the weights is approximately normal. The average weight is 235 pounds and the standard deviation is 25 pounds.Approximately how many players had weights with standardized values between 1 and 2?

A. 216 B. 400 C. 432 D. 108 E. none of these

Mathematics

Give all possible rational zeros for the polynomial.f(x) = 2x3 - 5x2 + 7x - 13

A. ±1, ±13, ± , ± 
B. ±1, ±2, ±13, ± 
C. ±1, ± , ±2, ± 
D. ±1, ±2, ±13

Mathematics