Answer:

Step-by-step explanation:
Factor each half of the expression separately:

Since both 4k² and 7 are being multiplied by (7k-6), we can combine them to get:

Answer:
its a 50 degree angle i think.
Step-by-step explanation:
its a smaller size in scale of the bigger one.
Answer:
Most of the musicians started to play at age 9 or older
Answer:
6/12
Step-by-step explanation:
the last one
4/8=6/12!!
That is a 30 60 90 triangle.
Read about those here: http://www.1728.org/trig2.htm