Solve. Round to the nearest hundredth when necessary.Roy weighs 230 pounds. How much does he weigh in kilograms?
A. 104.42 kg
B. 370.3 kg
C. 506 kg
D. 142.6 kg
Answer: A
Mathematics
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Solve the equation.3x1/4 - 4 = 2
A. 
B. 21/4 ? 1.19
C. 48
D. 16
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Complete the factoring.-9z7 = -3z3( )
A. 27z B. -3z4 C. 3z3 D. 3z4
Mathematics
Graph the solution region for the system of inequalities and identify the corners of the region.
A. 
B. 
C. 
D. 
Mathematics
Solve.Devon received a birthday check for $40.00 from his aunt. He immediately cashed the check and went on a shopping spree. In three different stores he spent $11.21, $11.25, and $6.24, respectively. How much was left of the birthday money after these purchases?
A. $11.30 B. $11.60 C. $28.70 D. $12.30
Mathematics