Graph the polar equation.r cos ? = 4
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Use synthetic division to divide the first polynomial by the second.x3 + 
x2 + 2x - 1
x - 
A. x2 + 
x + 
+ 
B. x2 + 
x + 
C. x2 + 3x + 6
D. x2 + 3x + 3
Mathematics
Solve the system by substitution.8x + 8y = 39x + 9y = 18
A. ? B. {(1, 1)} C. {(x, y) | 8x + 8y = 3} D. {(5, 9)}
Mathematics
The inverse of the coefficient matrix is given for the system of equations. Use the inverse matrix to solve the system.
; A-1 = 
A. {(1, 0)} B. {(2, -40)} C. {(-50, 20)} D. {(-1, -20)}
Mathematics
Use the product rule to simplify. Write the results using exponents.t9 ? t3 ? t3
A. t15 B. t12 C. t6 D. t30
Mathematics