Answer:
1. -1/2 is the answer
Step-by-step explanation:
Six million, seven thousand, two hundred
(6,000,000) + (7,000) + (200)
Answer:1,81 and 121.;)
Step-by-step explanation:
16x^4-81y^4 difference of perfect squares...
(4x^2-9y^2)(4x^2+9y^2) that's one of the equivalents...
(2x+3y)(2x-3y)(4x^2+9y^2) that's another one of them...