PLEASE HELP The figure below shows a triangular wooden frame ABC. The side AD of the frame has rotted and needs to be replaced: What is the length of the wood that is needed to replace AD?
4.2 inches
5.7 inches
2.5 inches
1.3 inches ​

x is variable or an unknown value to find

example:

2x = 5 which means x = 3

step-by-step explanation:

f(x)=2x^2 -1 

translation is a function transformation that transform the function in a way of translating. by translating the function its graph is moved  up an down. moving the function f(x) 2 units to the left will be the new function g(x) with the equation: g(x)=f(x+2)=2(x+2)^2 -1

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!

step-by-step explanation:

infinity is the answer