In a circle with radius 4, what is the length of an arc that has a measure
of 80? Round to the nearest tenth.

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Somone me i want to know what 18 hours out of 24 hours in a fraction

X+ y = 5 ; x - y =3 solve using linear combination