Solve the problem.A company wishes to manufacture a box with a volume of 40 cubic feet that is open on top and is twice as long as it is wide. Find the width of the box that can be produced using the minimum amount of material.
A. 6.4 ft
B. 3.6 ft
C. 3.2 ft
D. 7.2 ft
Answer: C
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For an Analysis of Variance, the larger the value of the observed/calculated F-ratio ______ .
a. the larger the sum of squares within groups compared to the sum of squares between groups b. the less likely an observed difference is due to chance c. the larger the mean square within-groups compared to the mean square between groups d. the more likely an observed difference is due to chance
Write the expression using exponents.(-6x)(-6x)(-6x)(-6x)
A. -24x B. (-6x)4 C. -6x4 D. -(6x)4
Multiply and simplify.
A. 
B. 
C. 
D. 
An equation of the terminal side of an angle ? in standard position is given along with a restriction on x. Find the indicated trigonometric function value of ?. Do not use a calculator.-3x - 5y = 0, x ? 0; Find cos ?.
A. 
B. - 
C. - 
D. 