1. Ajar contains n nickels and d dimes worth a total of $30. Which equation models this
information?
A. 0.05n + 0.1d = 30
B. 5n + 10d = 30
C. 0.5 +0.10 = 30
D. n + d = 30

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Give me the equations of two lines that have the same slope but are not parallel.