Answer:
candles = $400
matches = $20
Step-by-step explanation:
Let cost of candles = $c
Let cost of matches = $m
c = 20 m (20 times m)
c + m = 420
20m + m = 420
21 m = 420
m = 20
c = 20 (20) = 400
Answer:
In order to calculate the sales tax of an item, we need to first multiply the pre-tax cost of the item by the sales tax percentage after it has been converted into a decimal. Once the sales tax has been calculated it needs to be added to the pre-tax value in order to find the total cost of the item.
Step-by-step explanation:
Answer:
images are:
W'(-5,0)
X'(0,-9)
Y'(-9,-6)
Z'(-6,-2)
Step-by-step explanation:
use formula p(x,y)=p'(y,-x)
Answer:
f(x) = –2x + 3
Step-by-step explanation: