Solve the equation.3z + 20 = 2z +5
A. {25}
B. {-25}
C. {-15}
D. {15}
Answer: C
Mathematics
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Find another name for the given number, but with the denominator indicated.
= 
A. 
B. 
C. 
D. 
Mathematics
Let f (x) = 
and g(x) = 
. Calculate the following function(s) and express in simplest terms:f(x) - g(x) where x ? ±1Enter your answer exactly as 
where P and Q are polynomials in standard form.Do not label your answer.
What will be an ideal response?
Mathematics
Provide an appropriate response.Explain what happens when a number is multiplied by 1, -1, and 0.
What will be an ideal response?
Mathematics
Perform the indicated operation. Write the answer in scientific notation.
A. 2.3 × 1013 B. 4.6 × 10-3 C. 2.3 × 10-3 D. 4.6 × 1013
Mathematics