Solve the problem.A rectangular piece of fabric is 
by 
A triangular area with a height of 
and a base of 
is cut from the fabric. How much area is left over?
A. 216.15 ft2
B. 136.58 ft2
C. 273.16 ft2
D. 156.29 ft2
Answer: D
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Evaluate the integral which is given in cylindrical or spherical coordinates.
A. 42? B. 378? C. 189? D. 21?
Solve the system of equations by determinants. 4w - 4y + z = 16-w + x + 3y - z = -95w - x + 3z = -10 x + 4y - z = -15
A. w = 0, x = -1, y = 5, z = 5 B. w = -1, x = 5, y = -5, z = 0 C. w = 1, x = 7, y = -5, z = -1 D. w = -2, x = 0, y = -6, z = 1
Solve for the variable.9(x - 8) - (8x - 4) = 3
A. x = 71 B. x = - 71 C. x = - 7 D. x = - 65
Use the addition rule to solve the problem.One digit from the number 8,323,663 is written on each of seven cards. What is the probability of drawing a card that shows 8, 3, or 2?
A. 
B. 
C. 
D. 