Write in exponential form. Assume all variables are positive real numbers.-
A. -4481/2m3/2
B. -200,704m 2/3
C. 448m 2/3
D. -448m3/2
Answer: A
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Find the center and radius of the circle.x2 + y2 + 2x + 4y = 4
A. (-1, -2), r = 3 B. (-2, -1), r = 3 C. (2, 1), r = 9 D. (1, 2), r = 9
Provide an appropriate response.Determine the type of polynomial, according to the number of terms: 5(x - 4)
A. monomial B. trinomial C. binomial D. none of the above
Perform the division.(4x3y2 + 6x5y6 - 4x6y3) ÷ (2x3y2)
A. 2 + 3x2y4 - 2x3y B. 2xy + 3x2y4 - 2x3y C. 2 + 3xy4 - 2x2y D. 2 + 3x2y3 - 2x3y2
Solve the problem.Cory and Melissa are racing electronic cars around a circular track. They begin at the same time going in the same direction. Cory's car completes a revolution in 35 seconds, while Melissa's car completes a revolution in 30 seconds. How long will it take them before both cars reach the starting point again simultaneously?
A. 84 seconds B. 210 seconds C. 42 seconds D. 420 seconds