angle 5 = angle 1 = Corresponding Angles Postulate
angle 6 + angle 5 = 180 = linear pair postulate
1. 21 peanuts per minute
2. 9 texts per minute
3. 28 pages per hour OR half a page per minute
4. The first option is the cheapest. You can find what one ounce costs for each barrel by dividing the cost by the total ounces.
x=4,3,2 or,1 are the possible
60/100 / 60 are shaded out of the hundred. Simplified would be 3/5. The decimal would be 0.6.
It means that the two line segments, EF and GH, are A, parallel.
The symbol between the segments (ll) is of two parallel lines, so it's stating that the segments are parallel.