Solve the problem.Let R ={(x, y): 1 ? x < 6, 0 ? y < 8}. Evaluate 
dA, where f is the function 
A. 315
B. 40
C. 291
D. 507
Answer: C
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Solve the problem.The lengths and the widths of the following two rectangles are labeled. Create a polynomial that describes the sum of the area of these two rectangles.
A. 3y2 + 17y B. 68y C. 12y2 + 68y D. 3y2 + 51y
Four players (A, B, C, and D) agree to divide the 15 items shown below by lining them up in order and using the method of markers. The players' bids are as indicated.
Item 7
A. goes to A. B. goes to B. C. goes to C. D. goes to D. E. is left over.
Solve the problem.Suppose that a radio signal transmission pattern can be modeled by 
for 
where the units are miles. Assume that the positive x-axis points east, and determine the distances of transmission in the east, north, west, and south directions.
A. E: 48 miles, N: 96 miles, W: 48 miles, S: 0 miles B. E: 48 miles, N: 48 miles, W: 48 miles, S: 0 miles C. E: 96 miles, N: 48 miles, W: 0 miles, S: 48 miles D. E: 48 miles, N: 0 miles, W: 48 miles, S: 96 miles
The tread lives of Super Titan radial tires under normal driving conditions are normally distributed with a mean of 42,000 mi and a standard deviation of 5,000 mi. What is the probability that a tire selected at random will have a tread life of more than 35,000 mi? Round your answer to four decimal places, if necessary. ? __________ ? If four new tires are installed on a car and they experience even wear, determine the probability that all four tires still have useful tread lives after 35,000 mi of driving. Round your answer to four decimal places, if necessary. ? __________
What will be an ideal response?