What two consecutive numbers make 81

let one number = x

and other number=x+1

acc.to.ques.

x+x+1=81

2x+1=81

2x=81-1

2x=80

x=80/2

x=40

and other number=x+1

x+1=40+1

41

two nos. = 40 and 41

40 and 41.

Step-by-step explanation:

81/2 = 40.5, thus 40 and 41

answer: a and c are correct

step-by-step explanation:

the +5 is the vertical translation

the added negative symbol in front is the reflection over the y-axis

the least common denominatore of 7 and 2 is 9

step-by-step explanation:

7+2=9