Solve the problem.A rectangular patio has dimensions 10 feet by 15 feet. The patio is surrounded by a border with a uniform width of 3 feet. Find the area of the border.
A. 84 ft2
B. 186 ft2
C. 162 ft2
D. 114 ft2
Answer: B
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Use the discriminant to determine the number and type of solutions for the equation.x2 + 6x - 7 = 0
A. Two complex-number solutions B. Two real-number solutions C. One real-number solution
Solve the initial value problem for y as a function of x.x 
= 1, x > 6, y(12) = 0
A. y = 
sin-1 
+ 
B. y = 
sec-1 
- 
C. y = 
sec-1 
D. y = sec-1 
- 
Solve the problem.An airplane is flying in the direction 11° east of south at 614 km/hr. Find the component form of the velocity of the airplane, assuming that the positive x-axis represents due east and the positive y-axis represents due north.
A. 
B. 
C. 
D. 
Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = zi + xyj + zyk; D: the solid cube cut by the coordinate planes and the planes 
y = 1, and z = 1
A. 2
B. 
C. 
D. 1