una pelota es lanzada horizontalmente desde la altura y llega al suelo a 45 m de la base del edificio ¿cuál fue la rapidez inicial de la pelota?​

What is the frequency of the sinusoidal graph?

Can someone me with the property questions for 12 13 and 14 plz

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)