Convert the equation given in polar form into rectangular form.r = 9 cos ? + 4 sin ?
A. 9x + 4y = 0
B. x2 + y2 = 9x + 4y
C. x2 + y2 = 4x + 9y
D. x2 - y2 = 9x + 4y
Answer: B
Mathematics
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Rationalize the numerator of the fraction.
A. 
B. 
C. 
D. 
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Divide.(20x8 + 12x4 + 28x2) รท 4x2
A. 5x6 + 3x2 + 7 B. 5x8 + 3x4 + 7x2 C. -20x6 + 12x2 - 28 D. 20x6 + 12x2 + 28
Mathematics
Determine whether or not the function is one-to-one.
A. No B. Yes
Mathematics
Supply missing statements and missing reasons for the following proof.Given: 
and transversal p; 
is a right angleProve: 
is a right angleS1. 
and transversal p R1.S2. 
R2.S3. R3. Congruent measures have equal measures.S4. 
R4.S5. R5. Substitution Property of EqualityS6. R6. Definition of a right angle
What will be an ideal response?
Mathematics