Solve the problem.On the September 20 billing date, Emilio had a balance due of $573.56 on his credit card. During the next month, Emilio charged an additional $357.87 and makes a payment of $433. The interest rate on the card is 1.9% per month. Using the previous balance method, find the finance charge on October 20.
A. $6.80
B. $9.47
C. $2.67
D. $10.90
Answer: D
Mathematics
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Multiply using the galley method.253 × 16
A. 4048 B. 4038 C. 4058 D. 4148
Mathematics
Solve.
x2 - x + 
= 0
A. 
, 
B. 
C. 
, 
D. 
, 
Mathematics
Determine whether the function is one-to-one.f(x) = 12
A. Yes B. No
Mathematics
Solve the problem.A firm making microwave ovens finds that the total cost, C(x), of producing x units is given by C(x) = 80x + 520.The revenue, R(x), from selling x units is determined by the price per unit times the number of units sold, thus R(x) = 90x.Find and interpret (R - C)(44).
A. $80 profit, income exceeds cost B. -$80 loss, cost exceeds income C. $8000 profit, income exceeds cost D. $96 profit, income exceeds cost
Mathematics