3. A un cartón rectangular cuyos lados miden 4 cm y 5 cm se le ha recortado en cada esquina un cuadrado de lado x. De las
siguientes expresiones, ¿cual permite calcular el área y del cartón sin las esquinas?
es igual al pre
tanto, el ar
dex. 1. tie
al ax 4x
a la segu
fundo grad
irea del si
a) y 4x?
b) y 20 - 4x
c) y 20 - 4x
d) y 4120 - )

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Will give brainliest for correct answer 8. use the distance time graph to answer these questions: a. what does the graph tell us about the velocity of the car? b. what is the average velocity of the car? (show work) c. is the velocity reflected in the graph positive or negative?d. is there any point on the graph where the car is not moving? how do we know?

Find the measure of the angle indicated in bold