Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.24.87 + 125.2
round each to the nearest one
A. Estimate: 140; Actual: 150.07
B. Estimate: 150; Actual: 150.07
C. Estimate: 150; Actual: 149.87
D. Estimate: 140; Actual: 149.87
Answer: B
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A. - 
B. 
C. 0
D. - 
At the given point, find the slope of the curve, the line that is tangent to the curve, or the line that is normal to the curve, as requested.x3y3 = 8, normal at (2, 1)
A. y = 2x - 3
B. y = 
x
C. y = -2x + 5
D. y = - 
x + 2
Find the equation of the line through the given pair of points in standard form using only integers.(5, -4) and (-2, 3)
A. 7x + 7y = 7 B. 7x - 7y = 7 C. 7x + 7y = 17 D. 7x + 7y = -7
Solve the problem.The medians of a triangle intersect at a point. The distance from the vertex to the point is exactly two-thirds of the distance from the vertex to the midpoint of the opposite side. Find the exact distance of that point from the vertex A(3, 4) of a triangle, given that the other two vertices are at (0, 0) and (8, 0).
A. 2
B. 
C. 
D. 