Solve the problem.Find the acute angle, to the nearest degree, between the lines l1 and l2.l1: 
l2: 
.
A. 45°
B. 135°
C. 30°
D. 173°
Answer: A
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Find the area of the specified region.Inside the three-leaved rose r = 6 cos 3?
A. 3?
B. 9?
C. 
?
D. 18?
Determine whether or not one or more pairs of twin primes exist between the pair of numbers given. If so, identify the twin primes.30 and 51
A. 43, 47 B. No C. 41, 43 D. 41, 42 and 47, 49
Solve the problem.A student is taking a standardized test consisting of multiple choice questions for which there are five options for each question. Five points are awarded for each correct answer, but the student loses 2 points for an incorrect answer. Questions left blank neither receive nor lose points. Is it in the student's best interest to guess?
A. Yes B. No
Find the volume of the cylinder. Use ? ? 3.14.Find the volume of the cylinder shown. Round to the nearest thousandth if necessary.
A. V ? 376.8 cm3 B. V ? 188.4 cm3 C. V ? 3014.4 cm3 D. V ? 753.6 cm3