Multiply and simplify.13 ? 
A. 
B. 
C. 91
D. 
Answer: B
You might also like to view...
Estimate the error in the quadratic approximation of the given function at the origin over the given region.
A. |E(x, y)| ? 0.0486 B. |E(x, y)| ? 0.0364 C. |E(x, y)| ? 0.1458 D. |E(x, y)| ? 0.0729
Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.2.7x - 1.5y + 3.6z = -0.43.3x - 7.0y - 1.4z = -5.02.4x - 2.9y + 4.2z = -3.7
A. (7.0, 6.7, -2.9) B. (1.7, 1.7, -0.7) C. (3.5, 3.4, -1.4) D. (13.9, 13.4, -5.7)
Write a system of equations associated with the augmented matrix. Do not try to solve.
= 
A. 2x + y = -3 x + 2y = 2 -5x - 5y = 2 B. 2x + y + z = -3 x - 5y = 2 C. 2x = -3 x + y = 2 -5x - 5y = 2
Find the prime factorization of the number. Write the answer with exponents when repeated factors appear.468
A. 23 ? 32 ? 13 B. 34 ? 13 C. 22 ? 32 ? 13 D. 24 ? 13