Solve for a: a²-8a+12 is it a. -2,-6 b. 2,6 c. -3,-4. d. 3,4

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 function has a range {yly< 5}? question on picture above^

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²