WILL MARK BRAINLIEST PLZ ANSWER FAST GUYS AND GIRLS. Don't mind the second question. You can answer it if you want that will help me.

1. 10d + 5n = 85

2. look at graph  or graph coordinates (0, 17) and (8.5, 0) and make a line through them

3. 17 nickels since its only nickels, on the graph you see where the line hits the y-axis which is 17.

4. 8.5 dimes since its only dimes, on the graph you see where the line meets the x-axis which is 8.5

Step-by-step explanation:

y-axis is nickels

x-axis is dimes