Which of the following graphs shows a proportional relationship? Choose all answers that apply

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

What are the domain and range of the function f(x)=2^x+1

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)