Grade 6 module 4 lesson 15 exit ticket

What is the missing constant term in the perfect square that starts with x^2 -20x

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

What is the circumference of a circle with an area of 50.24 cm²?