Provide an appropriate response.Explain the difference between saying "Subtract 2.4 from 5.4" and saying "2.4 minus 5.4."
What will be an ideal response?
5.4 - 2.4 versus 2.4 - 5.4
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Find the equation for the plane tangent to the parametrized surface S at the point P.S is the parabolic cylinder r(x, z) = xi + 8x2j + zk; P is the point corresponding to 
.
What will be an ideal response?
Solve the problem.A window is in the form of a rectangle surmounted by a semicircle. The rectangle is of clear glass, whereas the semicircle is of tinted glass that transmits only one-fifth as much light per unit area as clear glass does. The total perimeter is fixed. Find the proportions of the window that will admit the most light. Neglect the thickness of the frame.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Provide an appropriate response.Find the ratio of the area of a circumscribed circle of an equilateral triangle to the area of the inscribed circle. [Hint: The altitudes of an equilateral triangle intersect at the center of the inscribed circle. This point of intersection falls one third of the distance along each altitude moving from the base towards the opposite vertex.]
A. 
: 1
B. 
: 1
C. 2 : 1
D. 4 : 1
Solve the problem. Round rates to the nearest tenth of a percent and dollar amounts to the nearest dollar when necessary.A jewelry store purchased 120 fashion watches for $3,600. If the store sold 60 watches at $60, 48 watches at $54, and the rest at $30, find (a) the total markup, (b) the markup percent on selling price, and (c) the equivalent markup percent on cost.
A. $2,952, 45.1%, 82% B. $6,552, 100%, 182% C. $2,952, 82%, 45.1% D. $3,600, 55%, 72%