If the line passing through the points is parallel to the line passing through the points  and

class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_3934cbf29cfd4e52a14a40d98" />, what is the value of a?

?



A.
B.
C.
D.
E.

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Answer: D

Mathematics

Factor completely.169s2 - 25t4

A. (13s + 5t2)2 B. (13s + 5t2)(13s - 5t2) C. (13s - 5t2)2 D. (169s + t2)(s - 25t2)

Change the Cartesian integral to an equivalent polar integral, and then evaluate.

A.
B.
C.
D.

Reduce the fractions to lowest terms.

A.
B.
C.
D.

Solve the problem.Police use a formula s = S , where S is the test-car speed and L is the test-skid length, to find the actual speed s in an accident which left a skid mark of l. Find the speed (nearest tenth) when   

A. 67.5 mph B. 95.0 mph C. 36.9 mph D. 55.1 mph