Which expression is equivalent to (2r² + r  1)  (3r² + 4r  5) ?
A.) r²  3r + 4
B.) r² + 5r  6
C.) 5r²  3r + 4
D.) 5r² + 5r  6
A.) r²  3r + 4
B.) r² + 5r  6
C.) 5r²  3r + 4
D.) 5r² + 5r  6
Algebra House 

Which expression is equivalent to (2r² + r  1)  (3r² + 4r  5) ?
A.) r²  3r + 4 B.) r² + 5r  6 C.) 5r²  3r + 4 D.) 5r² + 5r  6 The gravitational potential energy of an object is given by the formula P = mgh.
Which equation is correctly solved for the height, h? A.) h = P + mg B.) h = P  mg C.) P h =  mg D.) h = Pmg
The graph of a quadratic function f(x) has a minimum at (2,3) and passes through the point (2,13). The function g(x) is represented by the equation g(x) = (x + 2)(x  3).
How much greater is the yintercept of g(x) than f(x)? 
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