Write the following proportions.27 children is to 45 bicycles as 3 children is to 5 bicycles
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: C
Mathematics
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Replace the polar equation with an equivalent Cartesian equation.r = 
A. 4x - 9y = 1
B. 
= 1
C. 4y - 9x = 1
D. 
+ 
= 1
Mathematics
Solve the problem.How many 3-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9, and 0? No digit can be used more than once.
A. 720 B. 120 C. 604,800 D. 1,209,600
Mathematics
Solve the equation.(y - 5) - (y + 4) = 8y
A. - 
B. - 
C. - 
D. - 
Mathematics
Find an expression for the nth term of the arithmetic sequence.e, e + 7, e + 14, e + 21, e + 28, . . .
A. an = 7n + e B. an = 7n + e - 7 C. an = 7n + e D. an = ne + 7
Mathematics