For the given polar equation, write an equivalent rectangular equation.r = 5
A. x + y = 5
B. x2 - y2 = 25
C. x2 + y2 = 25
D. x + y = 25
Answer: C
Mathematics
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Provide an appropriate response.Divide 35 dg by 5 dg.
A. 70 B. 7 C. 70 dg D. 7 dg E. none of the above
Mathematics
Use similar triangles and the fact that corresponding sides are proportional to find the length of the side marked with an x.
A. 39 in. B. 156 in. C. 4.3 in. D. 0.9 in.
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.12
? 4
A. 16
B. 48
? 
C. 48
D. 48
Mathematics
Solve the system by the substitution method.
A. {(-3, -6), (-3, 6), (3, 0)} B. {(-3, -6), (3, 0)} C. {(-3, -6), (-3, 6)} D. {(-3, -6)}
Mathematics