Number 8 says: A 10-ohm resistor is used to test the voltage in two different circuits. Circuit A shows a power dissipation of 3.6 watts and circuit b shows a power dissipation of 8.1 watts. What is the ratio of the voltage in Circuit A to the voltage in Circuit B Answer choices
A- 2 to 3
B- 3 to 2
C- 4 to 9
D- 9 to 4

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

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

3.4a=57.8 what is the the value of a