Answer:
1= Not equal 2=Not equal 3=Equal 4=Not equal 5=Not equal
Step-by-step explanation:
W² - 49 = 0
w² - 7² = -
(w-7)(w+7)=0
w -7=0 , or w + 7 =0
w=-7, w=7
Answer: -7, 7.
Answer:
$0.40
Step-by-step explanation:
20 pounds = $8.00
1 pound = $8.00÷20
1 pound = $0.40