Determine whether the fractions are equal.
and 
A. Yes
B. No
Answer: B
Mathematics
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Replace the Cartesian equation with an equivalent polar equation.x2 - y2 = 4
A. cos2? - sin2? = 4r B. r2 cos 2? = 4 C. r cos 2? = 4 D. cos2? - sin2? = 4
Mathematics
Solve the problem.Construct a product table showing all possible two-digit numbers using digits from the set {1, 2, 6, 7}. List the numbers with repeating digits.
A. {11, 66, 77} B. {11, 22, 66, 77} C. {22, 66} D. none
Mathematics
Solve the problem.A force of 503 lb is required to pull a boat up a ramp inclined at 18.0° with the horizontal. Approximate the weight of the boat to the nearest pound.
A. 485 lb B. 630 lb C. 478 lb D. 155 lb
Mathematics
Answer true or false.
?
If 
is defined on a closed interval 
, then 
has an absolute maximum value.
What will be an ideal response?
Mathematics