Solve by using the quadratic formula.x2 + 7x + 3 = 0
A. 
B. 
C. 
D. 
Answer: D
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Find an antiderivative of the given function.
x8/3
A. 
x11/8
B. 
x11/3
C. 
x11/8
D. 
x11/3
Solve.The cross-sectional area of a rectangular duct is 240 square inches. If the length is 5 inches less than twice the width, what is the length of each side? Round to the nearest hundredth.
What will be an ideal response?
Answer the question.If we apply the quadratic formula and find that the value of b2 - 4ac equals zero, what can we conclude about the solutions?
A. The equation has no real number solutions. B. The equation has two different rational solutions. C. The equation has exactly one rational solution. D. The equation has exactly one irrational solution.
An air freight company has three types of aircraft which carry three types of cargo. The payload, in tons, is summarized in the table below. 
Each day of the holiday season, the company must move 75 tons of mail, 50 tons of medical supplies, and 55 tons of freight. This system of equations can be represented by the matrix: 
. Reduce this matrix to calculate how many aircraft of each type should be used.
What will be an ideal response?