Select letters to represent the simple statements and write each statement symbolically by using parentheses then indicate whether the statement is a negation, conjunction, disjunction, conditional, or biconditional.It is not true that if you take your vitamins you will stay healthy.
A. ~p ? (~q); conditional
B. ~(p ? q); negation
C. ~p ? q; conditional
D. ~(p ? q); negation
Answer: D
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Evaluate the indicated power of i.i-26
A. -i B. 1 C. -1 D. i
Solve the problem.When a person bends at the waist with a straight back, the force, F, exerted by the person's lower back muscles can be estimated with the formula 
where w is the person's weight, and ? is the angle made by the person's torso relative to the horizontal. Suppose that a 
person bends at an angle of 35°. Determine the force exerted by the person's back muscles, and estimate the angle that requires the back muscles to exert a force of 393 pounds.
A. 568 pounds; 35° B. 568 pounds; 55.5° C. 398 pounds; 48.3° D. 29 pounds; 55.5°
Identify the equation as either an identity or not.cos x csc x tan x = 1
A. Identity B. Not an identity
Multiply.
? 
A. 13 B. -13 C. 13i D. -13i