Does it say Marcella's age?
Answer:
100
Step-by-step explanation:
This is formula fot completing the square:
(b/2)^(2)
(-20/2)^(2)
100
Answer:
60
Step-by-step explanation:
45/9=5 an 12x5=60
jus trust
12^2+x^2=15^2
144+x^2=225
- 144 -144
=81= 9
X=9
Answer:
a) 47
b) 3
c) 1
d) 2
e) 47
f) 3
Step-by-step explanation:
read the textbook
