Answer:
they both take practice and you'll probably need some help? and you can use tricks to remember certain things
Step-by-step explanation:
pretty sure the tree's 20 feet
4(8x-3.2)
1 . 24
2. 21
1.
b=6
h=4
A= b*h
=6*4
=24
2. b=6
h= 7
A= 1/2*b*h
= 1/2*6*7
=21
6x+9x+4-11=21x-7
15x-7=21x-7
15x-21x=0
x=0
