Solve. Clear decimals first.43.2t + 259.2 = 28.8t + 172.8
A. 6
B. -6
C. 12
D. -12
Answer: B
Mathematics
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Write the ratio in fractional form and simplify completely.32 cents : 56 cents
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Using a phone card to make a long distance call costs a flat fee of $0.88 plus $0.25 per minute starting with the first minute. What is an equation of the form 
for this situation?
A. y = 0.88x + 0.25 B. y = 0.25x + 0.88 C. y = 0.25x D. y = 0.88x
Mathematics
Identify the number as prime or composite.73
A. Composite B. Prime
Mathematics
Solve the problem.Roberto invested some money at 7%, and then invested $3000 more than twice this amount at 12%. His total annual income from the two investments was $4390. How much was invested at 12%?
A. $9000 B. $26,000 C. $2900 D. $29,000
Mathematics