Find the product.(x + 4)(5x - 5)
A. 5x2 + 13x - 20
B. 5x2 + 15x + 15
C. 5x2 - 20x + 15
D. 5x2 + 15x - 20
Answer: D
You might also like to view...
Solve the problem.A sample of matter has a temperature distribution given by 
Describe the level surfaces and write an equation for the surface T = 300.
What will be an ideal response?
Find the exact value of the expression.cos-1
A. 
B. 
C. 
D. 
Solve the equation.28 = -21 + n
A. n = 7 B. n = -49 C. n = 49 D. n = -7
Provide an appropriate response.Which one of the following is a description of the graph of the solution set for the system below?x2 + y2 ? 364x2 + 9y2 ? 36
A. The area inside the circle (defined by the first equation) and outside the ellipse (defined by the second equation), including both borders. B. The area inside the ellipse (defined by the second equation) and outside the circle (defined by the first equation), including both borders. C. The area inside the ellipse (defined by the second equation), including the border. D. None of these