Determine if the two fractions are equivalent.
and 
A. equivalent
B. not equivalent
Answer: B
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Find the point(s) at which the given function equals its average value on the given interval.f(x) = 3 - x2; [-5, 4]
A. ±
B. ±
C. ±3
D. 
Write the system in the form 
Then solve the linear system by computing 
with a calculator. Round numbers to the nearest tenth, as necessary.1.9x - 0.5y + 2.2z = 3.95.3x - 7.0y - 0.5z = -5.02.5x - 5.0y - 1.2z = -1.4
A. (-42.4, -29.6, 44.1) B. (-10.6, -7.4, 11.0) C. (-5.3, -3.7, 5.5) D. (-21.2, -14.8, 22.1)
Add. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
A rectangular beam will be cut from a cylindrical log of radius r=40 inches. Suppose that the strength of a rectangular beam is proportional to the product of its width and the square of its depth. Find the dimensions of the strongest beam that can be cut from the cylindrical log.
