Hurry I need it now ! (04.01 MC)

Which characteristics will prove that ΔDEF is a right, scalene triangle?

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers

Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?

Can someone me out here number 4 plz