Answer:
5f
Step-by-step explanation:
Answer:
Step-by-step explanation:
L=2W
P=2(L+W), given L=2W and P=126
2(2W+W)=126
6W=126
W=21 and L=42
Answer:
9
Step-by-step explanation:
Firstly you can simplify the exponents shown below:

Simply add exponents when multiplying like shown above.
Answer:
$2.16
Step-by-step explanation:
Amount of change received
= $[5.00-0.25(6)-0.40(2)-0.18(3)]
= $(5.00-1.50-0.80-0.54)
= $2.16