I need help this question is really stressing me out

How would you express the following question in english? : ¿cuántos libros hay? a. there are so many books. c. how many books are there? b. how much are the book? d. are the books many?

David (escribir) una carta a su amiga. escribiste escribió escribí escribó

Think it over5. identify circle the letterof the units that representnegative acceleration.a. 2 m/sb. 30 m/s2c. -7 m/sd. -14 m/s2