A. For what operation is the set of integers NOT closed??
1. subtraction
2. division
3. multiplication
3. addition
B. Which one of the following expressions is equal to (x+2)to the 2nd power?
choices:
1. x squared+ 6x +9
2. xsquared+6
3. xsquared+ 3x+9
4. xsquared+9
C. Linda paid $28 for a sweater that was on sale for 30% off the original price. What was the original price of the sweater?
1. $84
2. $40
3. $56
4. $72
D.If the angles of triangle are represented by x degree,
(3x + 20)degree, and 6xdegreesign, the triangle must be??
1. obtuse
2. isosceles
3. acute
4. right
E. Solve for x:
x+3 / 3x = x / 12
thank you soo much if you try to answer this..i'll apreciate it...really...
2006-12-31
09:50:45
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7 answers
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asked by
♥Sakura
2
in
Mathematics