Use the distributive property to rewrite the expression. Simplify if possible.2(2r + 6 + 6s)
A. 4r + 6 + 6s
B. 4r + 6 + 12s
C. 4r + 12 + 12s
D. 4r + 12 + 6s
Answer: C
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Evaluate the integral.
A. 
y2 cos 5y - 
y sin 5y - 
cos 5y + C
B. - 
y2 sin 5y + 
y cos 5y + 
sin 5y + C
C. - 
y2 cos 5y + 
y sin 5y + 
cos 5y + C
D. - 
y2 cos 5y + 
y sin 5y + 
cos 5y + C
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. 
= 
The diagonals of a parallelogram are 12 meters and 20 meters and intersect at an angle of 60°. Find the length of the longer side. ? __________ m
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The length of each side of a square is multiplied by two and decreased by three. The area of the square is 169. Find the length of each side.
A. 5 B. 8 C. ? D. - 8, 8