Solve.If the sum of a number and two is doubled, the result is six less than three times the number. Find the number.
A. 10
B. 22
C. 5
D. 
Answer: A
Mathematics
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Factor completely.16x2 + 40xy + 25y2
A. (4x + 5y)(4x - 5y) B. (4x + 5y)2 C. (4x - 5y)2 D. (16x + 1)(x + 25)
Mathematics
Identify the place value of the digit 5 in the decimal number. 4502.92
A. hundredths B. thousandths C. thousands D. hundreds
Mathematics
For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 
4(x2 + 2)3
A. - 
, multiplicity 4, touches x-axis
B. 
, multiplicity 4, touches x-axis; 2, multiplicity 3, crosses x-axis
C. - 
, multiplicity 4, crosses x-axis
D. - 
, multiplicity 4, touches x-axis; -2, multiplicity 3, crosses x-axis
Mathematics
Perform the indicated elementary row operations.(6)R2
A. 
B. 
C. 
D. 
Mathematics