Solve the problem.Two ships leave a harbor together traveling on courses that have an angle of 128° between them. If they each travel 543 miles, how far apart are they (to the nearest mile)?
A. 476 mi
B. 976 mi
C. 1,952 mi
D. 42 mi
Answer: B
Mathematics
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Factor completely. If the polynomial is prime, state this.10pq4 - 10pr4
A. (10pq2 + 10pr2)(10pq2 - 10pr2) B. (10pq2 + pr2)(pq2 - pr2) C. 10p(q2 + r2)(q2 - r2) D. 10p(q2 + r2)(q + r)(q - r)
Mathematics
Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Mathematics
Solve the problem.Find the area A of a triangle with height 5 in and base 4 in.
A. A = 10 in B. A = 20 in C. A = 10 in2 D. A = 20 in2
Mathematics
Solve the system by the substitution method.y = x2 - 10x + 25x + y = 7
A. (6, 13), (3, 4) B. (6, 1), (3, 4) C. (5, 2) D. (-6, 13), (-3, 10)
Mathematics