8. What must be the mass of a model rocket engine be in grams to develop an acceleration of 520 m/s2 when subjected to a force of 11.2 N? Please include the equation, it would really help me out, thanks so much!

Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)