Answer:
Step-by-step explanation:
11
D (4, 2)
adding equation 1 and 2,
5x = 20
x = 4
Hence y = 2
Hence its D
a)1
b)1/5
a)
m=y2-y1/x2-x1
m=4--2/5--1
m=6/6
m=1
b)
m=1--2/13--2
m=3/15
m=1/5
7x12 = 84
osea que comprara 12
answer: 361.88
Hope that helps!