Answer:
Step-by-step explanation:
d^4-81
(d^2)^2-(9)^2
Using formula
(d^2+9)(d^2-9)
What do you need help with? it helps us to know the question!
Answer:
Line b and line c are perpendicular.
Step-by-step explanation:
Perpendicular lines have opposite reciprocal slopes, and -1/2 and 2 are opposite reciprocals.
Answer:
hi
Step-by-step explanation:
lol
Anything lower than 5 in rounding turns into a zero. The number your rounding stays the same. Therefore the answer is 6 minutes if rounded to the nearest minute.
