Answer:
5
Step-by-step explanation:
if xz is 15 and xy is 10 then we can infer that z is 10 and x is 5
-2x -9y = -25
-(-4x -9y =-23)
2x = -2
x = -1
-2(-1) -9y = -25
2 - 9y = -25
-9y = -25 -2
-9y = -27
y = 3
(-1,3)
Answer:
sdfghjkl;
Step-by-step explanation:
asjty5d7u
hyjur6
fgiufctcuvty
86bvygf7
#3.) 48 pieces of ribbon
#3.) this week they cost $112