Lisa walked her dog 2 1/5 miles. sam walked her dog 1 3/4 times as far. how many more miles did lisa walk her dog

Sam walked

Lisa walked fewer miles, so we'll get a negative number for how many miles more Lisa walked.

-1 13/20  miles

∠acb = 8°

step-by-step explanation:

∠xba lies on the circle and is half the measure of the intercepted arc ax

hence

measure of arc ax = 2 × 42° = 84°

∠acb is outside the circle and is

∠acb = (arcab - arcax ), hence

∠acb = 0.5 (100 - 84) = 0.5 × 16° = 8°

b

step-by-step explanation: