Solve.Find the slope of line l1, where m2 is the slope of line l2 and ? is the smallest positive angle from l1 to l2 given: m2 = 4 and ? = 45°.
A. 
B. 
C. 
D. 1
Answer: C
Mathematics
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Without using a calculator, give the exact trigonometric function value with rational denominator.cos 30°
A. 
B. 
C. 
D. 
Mathematics
Use the order of operations to simplify the expression.2 +
2- 
A. - 
B. 2
C. 
D. 
Mathematics
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.a2 - 5ab - 36b2
A. (a + 4b)(a - 9b) B. (a - 4b)(a + b) C. (a - 4b)(a + 9b) D. prime
Mathematics
Simplify 
if 
.
?
A. 
B. 
C. x
D. 
E. 
Mathematics