What are the like terms and contstans and coefficients! ?

1.4e+7e+5

Terms; 4e,7e,5

Like terms; 4e and 7e

Coefficients; 4e,7e

Constants; 5

2.5a+2-7

Terms; 5a,2,-7

Like terms; None

Coefficients; 5a

Constants; 2,-7

3.-3h-2h+6h+9

Terms; -3h,-2h,6h,9

Like terms; -3h and -2h and 6h

Coefficients; -3h,-2h,6h

Constants; 9

4.4-4y+y-3

Terms;  4,-4y,y,-3

Like terms; -4y and y

Coefficients; -4y,y

Constants; 4,-3

5.7-5y+2+1

Terms; 7,-5y,2,1

Like terms; None

Coefficients; -5y

Constants; 7,2,1

6.2m+3m-m

Terms; 2m,3m,-m

Like terms; 2m and 3m and -m

Coefficients; 2m,3m,-m

Constants; None

7.9k+7-k+4

Terms; 9k,7,-k,4

Like terms; 9k and -k

Coefficients; 9k,-k

Constants; 7,4

8.-8p+6p-2

Terms;  -8p,6p,-2    

Like Terms;  -8p and 6p

Coefficients;  -8p,6p

Constants;  -2

answer: a clock

step-by-step explanation: