Answer:
B. X4+ y= 4
would be the awnswer
Step-by-step explanation:
a) yx=63
b) y=3
a)
yx=k (inverse formula)
7(9)=k
63=k
b)
y(21)=63
y=63/21
y=3
Answer
D
by using similarity and enlargement
10/8 = 7+y/7
70=56+8y
8y=14
y= 7/4
10/8 = 5+x/5
50=40+8x
x = 8/10 = 4/5
5.5 pints is the answer to this
