Solve the formula for the specified variable.I = 
for n
A. n = 
B. n = 
C. n = IR(Ir - E)
D. n = 
Answer: A
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Solve.An old house has a basement stairway that has steps with 7.25 inch risers and 7 inch treads. What is the slope of the stairway? Express your answer as a decimal and round to the nearest hundredth when necessary.
A. 10.36 B. 0.97 C. -0.25 D. 1.04
Evaluate the expression by hand, if possible.log
A. 
B. 
C. 2
D. 10
Write the expression with positive exponents, and simplify if possible.5-3
A. 
B. 
C. 125
D. -125
Mark as true any statement that is always true. Mark as false any statement that is never true or that is not necessarily true. Be able to justify your answers.
1. A one-to-one correspondence that assigns every point, A, in the plane to another point, A, in the plane is called a translation. 2. A rotation is determined by a point, O, and a directed angle. 3. All isometries preserve orientation of geometric figures 4. Two triangles are congruent if and only if there is a rotation that takes one triangle to the other.