COUNT NUMERICAL VALUE OF SLOPE IN GRAPH | 25 POINTS I WILL MARKET BRAINLEIST | PLEASE HELP ASAP

Anabel uses 10 gallons of gas to drive 220 miles on the highway. if she travels at the same rate, how many miles can she drive on 7 gallons of gas

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).