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
Answer:
6
Step-by-step explanation:

=

Multiply both sides by v
<span>

= w Multiply both sides by x
</span>kv = wx Divide both sides by w
<span>

= x Switch the sides to make it easier to read
</span>
x = <span>
</span>
Answer:
a) 9
b) 8/7
c) 36/30
Step-by-step explanation:
Reciprocal is when the denominator and numerator "flip."
comment if you have any more questions :)
Answer:
423 miles and that was found by subtracting 750 from 1000 and dividing that by 0.59