Use the distributive property to simplify.3(12a + 10b)
A. 36a + 10b
B. 66ab
C. 36a + 30b
D. 12a + 30b
Answer: C
Mathematics
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Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. x - 2y + 3z = 114x + y - z = 42x - y + 3z = 10
A. {(2, -3, 1)} B. {(-2, -3, 3)} C. {(2, 3, 5)} D. ?
Mathematics
Write a fraction to represent the shaded part of the object.
A. 
B. 
C. 
D. 
Mathematics
Simplify.?-7? + ?7 + 4?
A. 10 B. 4 C. 18 D. 21
Mathematics
Solve the problem.Two angles are complementary if the sum of their measures is 90°. The measure of the first angle is 42° less than two times the second angle. Find the measure of each angle.
A. first angle = 58° second angle = 32° B. first angle = 46° second angle = 44° C. first angle = 44° second angle = 46° D. first angle = 32° second angle = 58°
Mathematics