If 0.2t=2.2-0.6s and 0.5s=0.2t +1.1,then s=
A.1
B.3
C.10
D.11
E.30
第1题
increase?
A.2
B.4
C.6
D.8
E.16
第3题
digit number formed by reversing the digits of x. Which of the following expressions is equivalent to x - y ?
A.9(t - u)
B.9(u - t)
C.9t - u
D.9u - t
E.0
第4题
What is the surface area, in square inches, of an 8-inch cube?
A.512
B.384
C.320
D.256
E.192
第5题
Jerome, Kevin, and Seth shared a submarine sandwich.Jerome ate 1/2 of the sandwich, Kevin ate 1/3 of the sandwich, and Seth ate the rest. What is the ratio of Jerome’s share to Kevin’s share to Seth’s share?
A.2:3:6
B.2:6:3
C.3:1:2
D.3:2:1
E.6:3:2
第6题
ave the same width. The area of the smaller rectangle is A square units. The area of the larger rectangle is kA square units.Which of the following is the value of k ?
A.1/9
B.1/3
C.1
D.3
E.9
第7题
In △ABC, the sum of the measures of ∠A and ∠B is 47°. What is the measure of ∠C ?
A.47°
B.86°
C.94°
D.133°
E.143°
第8题
ble costs are $5.25 per basketball. Which of the following expressions can be used to model the cost of manufacturing b basketballs in 1 day?
A.$1,405.25b
B.$5.25b ? $1,400.00
C.$1,400.00b + $5.25
D.$1,400.00 ? $5.25b
E.$1,400.00 + $5.25b
第9题
s 2:3. What is the length,to the nearest foot, of the shorter piece?
A.5
B.6
C.12
D.15
E.18
第10题
vote in the election,which of the following is the best estimate of the number of votes Lue will receive in the election?
A.1500
B.2500
C.4000
D.5000
E.8000
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