Evaluate the expression without using a calculator.log7 343
A. 21
B. 343
C. 3
D. 7
Answer: C
Mathematics
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Solve the problem.Two boats are pulling a disabled vessel toward the landing dock with forces of 920 lb and 840 lb. The angle between the forces is 23.7°. Find the direction and magnitude of the equilibrant.
A. 1723 lb at an angle of 168.7° with the 920-lb force B. 1723 lb at an angle of 78.7° with the 840-lb force C. 172 lb at an angle of 168.7° with the 920-lb force D. 1723 lb at an angle of 11.3° with the 920-lb force
Mathematics
Find an equivalent expression with the given denominator.
= 
A. 
B. 
C. 
D. 
Mathematics
Find the vertex of the parabola.h(x) = 
x2 - 6x - 
A. 
B. 
C. 
D. 
Mathematics
Find the (x,y) pair for the value of the parameter.x = 3t and y = t2 - 9 for t = 4
A. (7, 16) B. (16, 4) C. (12, 7) D. (12, 16)
Mathematics