Temperatures on the Celsius and Fahrenheit scales are related by the function C = 5(F – 32)/9, where C is the temperature in degrees Celsius and F is the temperature in Fahrenheit. What temperature on the Celsius scale is equivalent to 77 degrees Fahrenheit?
A
15 degrees Celsius

B
20 degrees Celsius

C
25 degrees Celsius

D
30 degrees Celsius

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Which ordered pair is the best estimate for the solution of the system of equations? the graph of the system of equations : y = 3/2x +6 and y=1/4x - 2 , -3) .5, -3.5) , -4) , -3.5)