Answer:
they are all equal side so add them up
Step-by-step explanation:
Answer:
In order to get this perfect square trinomial, the factored form will be (a - b)^2
Step-by-step explanation:
We know this because it follows the rule of perfect squares in which the ends are both squares and the middle term is -2 times each term.
Answer:
23
Step-by-step explanation:
To calculate mean, add numbers and divide by amount of numbers
30 + 28 + 8 + 26 = 92
92/4 = 23
-(2x-10) you just have to make the whole equation negative