Solve the system by substitution.
A. 
B. inconsistent, ?
C. 
D. 
Answer: B
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The given number expresses angle measure. Express the measure in terms of degrees.
A. 508° B. 504° C. 522° D. 486°
Provide an appropriate response.Given ?ABC~?DEF, AB = 2.2, DE = 0.6, BC = 2.4, what does EF equal?
A. 8.8 B. 0.65 C. 0.55 D. 7.67
Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.
A. 21mn4 B. 7mn4 C. 7n4 D. 7m23n18
Solve the problem.A simple exercise machine can be constructed by mounting a stiff spring securely to a wall and attaching a "T" handle to the free end of the spring. The arms can be exercised simply by pulling the "T" handle towards the torso. For a particular spring, the stretch distance is related to the work exerted by the equationx = 
,
where W is the work exerted in joules and x is the stretch distance in cm. How far will you stretch the spring if you exert 680 joules of work? Round your answer to three decimal places.
A. 0.089 cm B. 0.135 cm C. 0.126 cm D. 0.016 cm