Simplify.7 + 9 ? 2 - 10
A. 22
B. -65
C. 15
D. 5
Answer: C
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Solve the problem.Water is slowly rising in a horizontal drainage pipe. The width w of the water as a function of the depth h is w = 
, where r is the radius of the pipe. Find dw/dh for h = 3.1 in. and r = 6.1 in.
A. 1.13 in./in. B. 2.66 in./in. C. 0.56 in./in. D. 5.31 in./in.
Evaluate the polynomial or polynomial function for the given value of the variable.4x3 - 4x2 + 5 for x = 2
A. 11 B. 29 C. 21 D. 9
Suppose a and b are real numbers other than zero and that 
. State whether the inequality is true or false.
?
?
A. False B. True
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 