What is the first step in order to solve the equation p-6.1=10 is it add 6.1 to the p -6.1 and add 10 to the 10 or is it another answer

With alll of except for the 2 that i did already

The graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?

Which has the greater energy, light of wavelength 519 nm or light with a frequency of 5.42 x 10^8 sec^-1?