Aloud noise was heard (a, an) hour ago?

   The correct word to go in this sentence would be an. A loud nois was heard an hour ago. Hope this helps!

The main academic skill is math

Dr.king , i would take my mental flight by egypt and i would watch god’s children in their magnificent trek from the dark dungeons of egypt through, or rather across the red sea, through the wilderness on toward the promised land.his  speech"i  have a dream" to encourage people that change will come. this  speech  was very important during the civil rights movement and was a contributing factor in the end of racial injustice in society. the  intended audience  of "i  have a dream" is white people. i hope this