What number are 1.3 units from 0.4 on a number line

Write the equation in logarithmic form e^x=403.429

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters

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?