Estimate the sum or difference by rounding each number to the nearest hundred.5,804 + 7,824 + 3,638
A. 16,000
B. 17,300
C. 17,200
D. 18,000
Answer: C
Mathematics
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A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given.V = 
Bh for B = 27, h = 4
A. V = 36 B. V = 9 C. V = 40 D. V = 144
Mathematics
Find the distance between P and Q.P(-3, -4), Q(6, -7)
A. 3
B. 12
C. 72
D. 72
Mathematics
Find the axis of symmetry of the parabola defined by the given quadratic function.y + 1 = (x + 1)2
A. y = -1 B. x = 1 C. y = 1 D. x = - 1
Mathematics
Eliminate the parameter.x = 
, y = 2t + 5
A. y = 2
+ 5, x ? 0
B. y = 2
- 5, x ? 0
C. y = 2x2 + 5
D. y = 2x2 - 5
Mathematics