Simplify the expression. Write the result using positive exponents only.
A. - 
B. -x2
C. 
D. x2
Answer: D
You might also like to view...
Find T, N, and B for the given space curve.r(t) = (t2 - 2)i + (2t - 5)j + 5k
A. T = 
i - 
j; N = - 
i - 
j; B = -k
B. T = 
i + 
j; N = 
i - 
j; B = k
C. T = 
i + 
j; N = 
i - 
j; B = -k
D. T = 
i + 
j; N = 
i - 
j; B = -k
Find the slope of the line passing through the given pair of points. (6, 7) and (-4, -3)
 figure 1.png)
Solve the problem.A local phone company charges a connection fee of $1.57 plus $0.56 per minute for each phone call. If we let x represent the number of minutes spent on the phone, the equation that gives the cost (y) of each phone call can be represented by 
Find the y-intercept of this equation, and explain what it signifies.
A. (0, 1.57); The charge per minute for each phone call. B. (0, 1.57); The connection fee for each phone call. C. (0, 0.56); The connection fee for each phone call. D. (0, 0.56); The charge per minute for each phone call.
Solve the problem.A woman made a deposit of $259. If her deposit consisted of 99 bills, some of them one-dollar bills and the rest being five-dollar bills, how many one-dollar bills did she deposit?
A. 49 one-dollars B. 40 one-dollars C. 54 one-dollars D. 59 one-dollars