The slopes of perpendicular lines are opposite reciprocals.
true
false

true

Step-by-step explanation:

The slopes of prependicular lines have to give as a result -1 when multiplied by eachother, so for example if you have a line with a slope of 2, the perpendicular line should have a slope of -1/2 because when multiplying for one another the result will be -1. So the statement would be true, the slopes of perpendicular lines are opposite reciprocals.

your answer would be 12

whole number data type

step-by-step explanation:

as whole number type represents whole number

like 1, 2 ,3, 4

in other words the whole numbers are those numbers which cannot be written infraction.

since we can take days as a whole number i.e 1 day 2 day and we cannot write 1.2 day hence we will use whole number data type