Provide an appropriate response.Explain what is wrong with this first step in the solution process for the equation 
3x + 10 = 3x + 7
What will be an ideal response?
The squaring of the radical 
produces -3x - 7. The negative signs are not squared away.
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Simplify the expression.53
A. -15 B. 125 C. 15 D. -125
Find the measure of the dihedral angle indicated.The figure shown is a right prism whose bases are regular triangles. Find the measure of the dihedral angle between each lateral face and a base.
A. 45° B. 60° C. 90° D. 120°
Provide an appropriate response.In a graduated payments mortgage, the payments 
, while in an adjustable-rate mortgage, the rates 
.
A. become larger, may change up or down B. become smaller, may change up or down C. become smaller, likely will go up D. become larger, likely will go down
Use mathematical induction to prove the statement is true for all positive integers n.
= 
What will be an ideal response?