andrewcell2017
andrewcell2017 andrewcell2017
  • 10-06-2021
  • Mathematics
contestada

help me i do not understand this

help me i do not understand this class=

Respuesta :

anitapantjoshi
anitapantjoshi anitapantjoshi
  • 10-06-2021

Answer:

that is 81 which is 9 ^2 and you can you use

Step-by-step explanation:

(a^2 -b^2)=(a-b)(a+b)

=(9^2-8^2)

=(9-8)(9+8)

Answer Link

Otras preguntas

Judy bought books at thrift store for $15 each.she already had 25 books in her Library. Judy now has 85 books on her Library write and solve an equation to figu
How can you find this: Please I need help how much power a circuit will generate if you know the voltage and resistance but not the current.
All 204g of sugar will dissolve in 100g of water at 25ºC. This is the solubility of sugar. If 55g of sugar is dissolved in 50g of water at 25ºC then the soluti
Elle can by 2 quarts of milk for 3 dollars or 1 gallon of milk for 3 dollars. Witch is the better deal. Explain
y is 1/3 more than 4 times the value of x.
In an astronomical sense, which is not considered an ice?
which is a long term climate change
Can someone please help me out thanks.
which digit is in the tenths place 314.902
what can be inferred from the fact that the united states did not share its plans for building the atomic bomb with the soviets during the war