Lena is piercing together a rectangular picture frame. At each corner are two congruent angles. Write and solve an equation to determine the value of x

idk

step-by-step explanation:

use that smart brain

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1

if you are looking for the unit rate then the answer would be 9 because unit rate is distance divided by time.

step-by-step explanation:

96 39 cause 135 -96=39 im smart (i used a calculater)