58
First solve what is inside the parentheses (PEMDAS)
(5-21)+(-7+81)
(-16)+(74)
Add
58
Hope this helps! :)
Answer: Y= -47/5
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
200,000+ 70,000+ 7,000+ 100+ 80
Answer:
Difference of squares:
y^4−25
16x^2−81
Not difference of squares:
20m^2n^2−121
p^8−q^5
Step-by-step explanation:
y^4−25
(y²)² - 5²
16x^2−81
(4x)² - 9²
20m^2n^2−121
20 is not a perfect square
p^8−q^5
q⁵ is not a perfect square
