Afamily has two cars. during one particular week, the first car consumed 20 gallons of gas and the second consumed 40 gallons of gas. the two cars drove a combined total of 1300 miles, and the sum of their fuel efficiencies was 50 miles per gallon. what were the fuel efficiencies of each of the cars that week?

Determine if the function below is continuous. a. continuous b. not continuous, 1 hole c. not continuous, > 2 holes d. not continuous, 2 holes

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

Simplify. 3(4+4x) (type your answer in with no spaces)