Solve the combined inequality and graph the solution set. Write the solution in interval notation.9 < 3z + 3 ? 21
A. (2, 6)
B. [2, 6)
C. [2, 6]
D. (2, 6]
Answer: D
Mathematics
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Solve the quadratic equation. Write the answer in simplest form.3n2 = 2
A. 
B. 
C. 
D. 
Mathematics
Solve.John owns a hotdog stand. His profit is represented by 
with P(x) being profit and x the number of hotdogs sold. What is the most he can earn?
A. $73 B. $91 C. $36 D. $79
Mathematics
Divide and simplify.
÷ - 
A. - 
B. - 
C. 
D. - 
Mathematics
Simplify the expression. If the expression contains any variables, assume that they represent positive real numbers. Write your answer with only positive exponents.
A. 9
B. 98
C. 
D. 
Mathematics