Are those two tables (a and b) functions?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.