Question

please tell me the answer of these questions correctly so I will mark u as branliest and follow ​

Answer 1

Answer: The  answer is 56.66

Step-by-step explanition; They had told decrease so i had done subtraction 84.5 - 27.84 =56.66 sorry i had done only Q5

Answer 2

Answer:

The answer of first one is

Terms : 3x^4, x^3, - 4xy, - 7

Coefficient :3, 1,-4,-7

Variable: x, x, xy

Exponent: 4,3

Answer 2) The difference is 56.66

84.5 - 27.84 = 56.66

Answer 3)

First convert the mixed fractions into fractions

Simplify 52/3- 21/3- 12/5

= 3*5+2 = 17/3, 3*2+1 = 7/3, 5*1+2=7/5

= 17/3 - 7/3 - 7/5

Now to subtract we have to make the denominator same so

17/3*5, 7/3*5, 7/5'3

= 85/15- 35/15- 21/15

=29/15

Step-by-step explanation:

Hope it will help you