Solve the problem.A computer printer costs $820. If the sales tax rate is 3
%, how much tax is charged and what is the total price? Round your answers to the nearest cent.
A. $28.70, $848.70
B. $20.50, $840.50
C. $36.90, $856.90
D. $287.00, $1107.00
Answer: A
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Find the particular solution to the given differential equation that satisfies the given conditions.D2y + 8 Dy + 16y = 0; Dy = 2 and y = 5 when x = 0
A. y = (5 + 22x)e4x B. y = (5 - 22x)e-4x C. y = (5 + 22x)e-4x D. y = (c1 + c2x)e-4x
Solve the problem.When exposed to ethylene gas, green bananas will ripen at an accelerated rate. The number of days for ripening becomes shorter for longer exposure times. Assume that the table below gives average ripening times of bananas for several different ethylene exposure times. 
Plot the data and then find a line approximating the data. With the aid of this line, determine the rate of change of ripening time with respect to exposure time. Round your answer to two significant digits. 
A. 
-0.15 day per minute
B. 
-6.7 days per minute
C. 
38 minutes
D. 
5.6 days
Identify the triangle as scalene, isosceles, or equilateral.
A. Equilateral B. Scalene C. Isosceles
State the cardinality of the set.{-10, -9, -8, . . ., 0}
A. 4 B. 1 C. 11 D. 10