Complete the factoring.x2 + 10x + 25 = (x + 5)( )
A. x + 5
B. x2 + 5
C. x - 15
D. x + 20
Answer: A
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Find the area.Find the area of the region bounded by the curve y = 6x-2, the x-axis, and on the left by x = 1.
A. 3 B. 36 C. 6 D. 12
Solve the problem.The unpaid balance in an account on May 1 was $184. A purchase of $35 was made on May 3. A $75 payment was made on May 17. The finance charge rate was 1.65% per month of the average daily balance. Find the new balance at the end of May.
A. $145.65 B. $185.10 C. $146.98 D. $110.07
Use the formula Z = 
from statistics (a formula used to determine the relative value of one observation to another) to evaluate the expression for the given values. Write the exact value and then write your answer rounded to two decimal places.X = 140, ? = 150, ? = 18, n = 21
A. 
, 73.83
B. 
, -0.12
C. 
, 3.52
D. 
, -2.55
Factor the binomial completely.64 - 81x2
A. (8 - 9x)2 B. (8 + 9x)(8 - 9x) C. (8 + 9x)2 D. prime