Add or subtract, as indicated.-6.463 + (-7.925)
A. -1.462
B. -14.388
C. 14.388
D. 51.219
Answer: B
Mathematics
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Solve the system of equations.-0.2x + 0.3y - 0.2z = 1.6-0.4x - 0.3y + 0.2z = 0.80.2x - 0.4y + 0.3z = -1.9
A. (0.6, 4, 0) B. (0.8, 2, 0) C. (0.6, 2, -1) D. (-4, 2, -1)
Mathematics
Write the expression in the standard form a + bi.(7 + 7i) - (-4 + i)
A. -11 - 6i B. 11 - 6i C. 3 + 8i D. 11 + 6i
Mathematics
Factor by grouping.8x2 + 6xt - 9t2
A. (2x + 3t)(4x - 3t) B. (8x - 3t)(x + 3t) C. (8x + 3t)(x - 3t) D. (2x - 3t)(4x + 3t)
Mathematics
For the given figure, find the ratio of the length of the longest side to the length of the shortest side. Write the ratio as a fraction in lowest terms.
A = 24
meters D = 7
meters B = 9
meters E = 5
/> metersC = 9 meters
A. 
B. 
C. 
D. 
Mathematics