Find the expression.u = , v = Find 3u - 7v

A.
B.
C.
D.


Answer: C

Mathematics

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Find the standard deviation of the data.To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below. Find the standard deviation. Round your result to the nearest ten cents. $190 $391 $307 $226 $311 $365 $357 $395

A. $353.00 B. $807,720.50 C. $75.60 D. $847,726.00

Mathematics

Write in decimal notation.7.174 × 10-5

A. 0.0007174 B. -717,400 C. 0.000007174 D. 0.00007174

Mathematics

Find a formula for the inverse of the function described below.32° Fahrenheit = 0° Celsius. A function that converts temperatures in Fahrenheit to those in Celsius is .

A. f-1(x) = x + 32
B. f-1(x) = x + 32
C. f-1(x) = (x - 32)
D. f-1(x) = x - 32

Mathematics

Determine whether the statement is an expression or an equation.2x(5 + 28) - 18x

A. Equation B. Expression

Mathematics