Convert the units using unit fractions.51 ft = 
yd
A. 5.67
B. 1836
C. 153
D. 17
Answer: D
Mathematics
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Solve the inequality and graph the solution.-4(3y - 7) < -16y + 8
A. y ? -5 
B. y > -5 
C. y ? -5 
D. y < -5 
Mathematics
Matrix A is given. Find appropriate identity matrices Im and In such that ImA = A and AIn = A.A = 
A. Im = In = 
B. Im = 
, In = 
C. Im = 
, In =
D. Im = 
, In = 
Mathematics
Solve the logarithmic equation.log27 
= 
A. 6 B. 12 C. 387,420,492 D. 143.296115
Mathematics
The calculator graphs shows the x-values of the x-intercepts of the graph of the polynomial in the equation. Use the graphs to solve the equation.4x2 -19x -5 = 0
A. {-0.25, 5} B. {-5, 0.25} C. {4, -5} D. {-1, 20}
Mathematics