Find the amount of sales tax or tax rate and the total cost. Round money answers to the nearest cent if necessary.Amount of sale: $395 Amount of tax: $11.85
A. 0.3%, $406.85
B. 4%, $406.85
C. 3%, $406.85
D. 5%, $406.85
Answer: C
Mathematics
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Find the LCM for the pair of natural numbers.30, 90
A. 90 B. 180 C. 30 D. 270
Mathematics
Solve the problem.A force of 613 lb is required to pull a boat up a ramp inclined at 26° with the horizontal. How much does the boat weigh?
A. 1949 lb B. 1398 lb C. 551 lb D. 587 lb
Mathematics
The graph of the function f(x) = x² - 9x + 5 has been compressed horizontally by a factor of 2. Find the function for the transformed graph.
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Mathematics
Write the best-fit linear model for the data.The ages and lengths of several animals of the same species are recorded in the following table: 
Find the linear function to model this data.
A. y = 2.18x - 1.03 B. y = 0.93x + 2.18 C. y = 0.93x - 1.18 D. y = 1.03x - 2.18
Mathematics