Factor the perfect square.25x2 + 90x + 81
A. (5x + 9)2
B. (5x - 10)2
C. (5x + 9)(5x - 9)
D. (5x - 9)2
Answer: A
You might also like to view...
Use cross products to determine whether the pair of fractions is equivalent.- 
and - 
A. not equivalent B. equivalent
Find the assessed value for the property.Fair market value:$2,144,000Rate of assessment:80%
A. $857,600 B. $1,715,200 C. $17,152,000 D. $428,800
Solve the problem.An aircraft going from Atlanta to Savannah on a heading of 121° (from north) is travelling at a speed of 460 miles per hour. The wind is out of the north at a speed of 19 miles per hour. Find the actual speed and direction of the aircraft, rounded to the nearest whole number.
A. 470 miles per hour; 123° from north B. 644 miles per hour; 122° from north C. 455 miles per hour; 123° from north D. 451 miles per hour; 123° from north
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No