Solve the problem.A contractor builds two models of homes, the R type and the K type. The R type requires 210 worker-days of labor and $300,000 in capital, while the K type requires 315 worker-days of labor and $200,000 in capital. The contractor has a total of 6300 worker-days and $6,000,000 in capital available per month. Graph the possible combinations of model homes that can be built per month and find the vertices. 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.A square has an area of 49 square inches. If the same amount is added to the length and removed from the width, the resulting rectangle has an area of 45 square inches. Find the dimensions of the rectangle.
A. 3 in. by 4 in. B. 5 in. by 10 in. C. 4 in. by 9 in. D. 5 in. by 9 in.
Mathematics
Factor out the greatest common factor.5x(3x - 2) - 4(3x - 2)
A. (5x + 4)(3x + 2) B. (15x - 4)(x - 2) C. (15x + 4)(x + 2) D. (5x - 4)(3x - 2)
Mathematics
Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = (x + 3)4 
A. 
B. 
C. 
D. 
Mathematics
Solve the trigonometric equation in the interval [0, 2?) by first squaring both sides.sin x + 1 = 
cos x
A. 
B. 
C. 
D. 
Mathematics