All this school is giving me a headache

Read the statements and determine the correct answer for each blank. microorganisms that cause diseases are known as . they thrive best between the temperatures of °f °f. because are usually around 70°f, it the growth of spoilage-causing bacteria. a)

The chanleys drove 112 miles ( or 7) on 4 gallons of gas. at this rate,how many mikes will they drive on 8 gallons

How do you do this? i’ve marked the correct answer but i can’t seem to calculate