Determine the least-square error when the line y = 2x + 2.5 is used to approximate the data points 
and (6, 15).
Fill in the blank(s) with the appropriate word(s).
0.75
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Solve the problem.A frustum of a right circular cone has a height of 10 m, a base of radius 4m, and a top of radius 3m. Find its volume.
A. 370?
B. 37?
C. 
?
D. 
?
Find and simplify the difference quotient of f, 
, for the function.f(x) = x2 + 6x - 9
A. 2x+ h + 6
B. 2x+ h - 9
C. 
D. 1
Use the Distributive Property to find the product.(2y + 3)(5y + 6)
A. 10y2 + 18 B. 10y2 + 27y + 18 C. 7y2 + 9 D. 10y2 - 3y + 18
Solve the problem.The sun is surrounded by an extremely hot plasma called the "corona". The average kinetic energy E of a subatomic particle in the corona can be approximated by the model 
where E is in joules, T is the Kelvin temperature of the corona, and k is Boltzmann's constant, 
At a certain distance above the sun's north pole, a measurement indicates that the average kinetic energy of coronal particles is 0.00 J. Estimate the temperature in this region.
A. 3.0 × 105 K B. 0.00 K C. 3.0 × 106 K D. 2.00 × 106 K