Use the order of operations to simplify the expression.0 ÷ 4 + 6 ? 7
A. Undefined
B. 70
C. 46
D. 42
Answer: D
Mathematics
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Solve.A painter can finish painting a house in 7 hours. Her assistant takes 9 hours to finish the same job. How long would it take for them to complete the job if they were working together?
A. 
hr
B. 6 hr
C. 8 hr
D. 3
hr
Mathematics
Multiply or divide as indicated.
÷ 
A. 
B. 
C. x + 8
D. 
Mathematics
Solve.John owns a hotdog stand. His profit is represented by the equation 
with P being profits and x the number of hotdogs sold. What is the most he can earn?
A. $66 B. $25 C. $51 D. $56
Mathematics
Solve the equation.
+ 
= - 
A. ? B. {-30} C. {-29} D. {29}
Mathematics