Find the linear equation that is the straight line through 
and 
.
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: B
Mathematics
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Graph the curve described by the function, indicating the positive orientation.r(t) = 
, for 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
Simplify.7y6 × 7y3
A. 49y18 B. 49y9 C. 14y18 D. 14y9
Mathematics
Use the given information to find the exact value of the trigonometric function.cos ? = - 
, sin ? > 0
Find cos 
.
A. - 
B. - 
C. 
D. 
Mathematics
Forces F1 and F2 act at the same point. Find the resultant force F and its magnitude.F1 = 
i + 
j, F2 = - 
i + 
j
A. F = - 
i - 
j ; 
= 
B. F = 
i + 
j ; 
= 
C. F = - 
i + 
j ; 
= 
D. F = 
i + 
j ; 
= 
Mathematics