In the standard (x,y) coordinate plane, point M with coordinates (5,4) is the midpoint of AB, and B has coordinates (7,3). What are the coordinates of A ?
A.(17,11)
B.(9, 2)
C.(6, 3.5)
D.(3, 5)
E.(3, 5)
第1题
If 40% of a given number is 8, then what is 15% of the given number?
A.1.2
B.1.8
C.3.0
D.5.0
E.6.5
第2题
If P percent of 20 is Q , then P =?
A.Q/20
B.Q/5
C.5Q
D.10Q
E.20Q
第3题
The number 40.5 is 1,000 times greater than which of the following numbers?
A.0.405
B.0.0405
C.0.0450
D.0.00405
E.0.000405
第4题
to 2x- 3y = 9 ?
A.-3
B.-3/2
C.-2/3
D.2/3
E.3/2
第5题
e is 28 inches.What is the width of the rectangle, in inches?
A.5
B.7
C.10
D.12
E.14
第6题
eet in diameter. The finished tablecloth needs to hang down5inches over the edge of the table all the way around.To finish the edge of the tablecloth, Kirk will foldunder and sew down 1inch of the material all aroundthe edge. Kirk is going to use a single piece of rectan-gular fabric that is 60 inches wide. What is the shortestlength of fabric, in inches, Kirk could use to make thetablecloth without putting any separate pieces of fabrictogether?
A.15
B.24
C.30
D.42
E.48
第7题
Solve the following equation for A : 2A/3 = 8 + 4A
A.-2.4
B.2.4
C.1.3
D.-1.3
E.0
第8题
on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost $450?
A.$280.90
B.$287
C.$292.50
D.$306
E.$333.89
第9题
hat is the average of all five numbers?
A.3
B.17/4
C.22/5
D.9/2
E.5
第10题
t what point?
A.(0,0)
B.(0,-3)
C.(-3,0)
D.(-3,-3)
E.(-3,-6)
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