Evaluate the expression for the given replacement values.4y + 
x = 5, y = 7
A. 3
B. 43
C. 7
D. 31
Answer: D
Mathematics
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Find the solution set for the equation.3|x - 3| = 18
A. {9, -3} B. ? C. {3} D. {3, -9}
Mathematics
Solve.x2 + y2 + 9y = 0x2 + y2 = 7x
A. (1,0) 
B. (0,1) 
C. (1, -1) 
D. (0,0) 
Mathematics
Find all complex zeros of the polynomial function. Give exact values. List multiple zeros as necessary.f(x) = 3x4 - 10x3 + 20x2 - 40x + 32
A. 
, 2, -i, i
B. 
, 2, -2i, 2i
C. - 
, -2, -2i, 2i
D. 
, 2, -4i, 4i
Mathematics
Let Z be the standard normal variable. Find the value of z if z satisfies 
. Round your answer to the nearest hundredth.
?
A. 
B. 
C. 
D. 
E. 
Mathematics