Simplify the expression.x9x-5
A. x9 - x5
B. x-45
C. x4
D. -45x
Answer: C
Mathematics
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Use two equations in two variables to solve the following problem.Maria and Susan pool their resources to buy several lottery tickets. They win $400,000! They agree that Susan should get $50,000 more than Maria, because she gave most of the money. How much will Maria get?
A. $230,000 B. $225,000 C. $75,000 D. $175,000 E. $90,000
Mathematics
Solve. Write a mixed numeral for the answer.Peter must practice the piano 12
hours per week. He has already practiced 4
hours. How many more hours does he need to practice?
A. 7 hr
B. 8
hr
C. 7
hr
D. 6
hr
Mathematics
Graph the inequality.y < 
x
A. 
B. 
C. 
D. 
Mathematics
Divide.
A. 2.34 B. 234 C. 24.4 D. 23.4
Mathematics