In how many ways can a 22-question true-false exam be answered? (Assume that no questions are omitted.)
a. 44
b. 484
c. 4,194,314
d. 4,194,304
d. 4,194,304
Mathematics
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Find the LCD.
, 
A. -6(x - 2)(x + 4) B. -6(x + 2)(x - 4) C. -6(x - 2)(x - 4) D. -6(x + 2)(x + 4)
Mathematics
Solve.In a practice run, a race car driver's speed is clocked at 137.607 mph at the end of his first lap, and at 170.047 mph at the end of the next lap. How much faster was he driving at the end of the second lap?
A. 33.440 mph B. 32.340 mph C. 32.450 mph D. 32.440 mph
Mathematics
Use the Pythagorean theorem to find the missing side of the right triangle with legs a and b, and hypotenuse c. Approximate values to the nearest tenth when appropriate.a = 10 ft, c = 22 ft
A. 384 ft B. 19.6 ft C. 16 ft D. 192 ft
Mathematics
Solve the equation and check.
A. 
B. 
C. 
D. 
E. 
Mathematics