Hello,
Answer B
a) Δ=8²+4*2=72
b)36-4*3*2=12
c)4²+4*1=20
d)4-4*4*1=-12
Answer:
C
up 2 for the y the down 2 for the rise and over 3 for the run
Answer:
Vernier caliper
Step-by-step explanation:
The paper towel is circular in shape, should he use the ruler he may come up with a value but the value may not be accurate.
Hence the measuring instrument Justin should use is a vernier caliper, which is a measuring device that can be used to measure the external diameter of the roll of paper
0.4
8\5=1.6
38\100=0.38
answer=0.38,0.4,1.6
or 38%,0.4,8\5