Answer:
3.29568453×10^17
Step-by-step explanation:
Answer:
Step-by-step explanation:
d^4-81
(d^2)^2-(9)^2
Using formula
(d^2+9)(d^2-9)
25% because 21 is a quarter of 84. And 21 times 4= 84, so 21 is 25% of 84.
Step-by-step explanation:
Y-0 = 1/4(x-8)
4Y= x-8
4Y-x+8=0