Question

i need answers till question 10

Answer 1

1)30pr+21qr

2)10

3) I }7a^2b^3

ll} -3ab^2c^4

4) terms and coefficient

y^4=1

x^3=-7

x^2 y=4

5)3x^4y^4

6)2x-2y-10z-52

7)9

8)60

9)6{x^2-4}/x

10)5a+14b-19

Answer 2

Answer:

Step-by-step explanation:

Hmm.....