9514 1404 393
Answer:
Step-by-step explanation:
Let 'a' and 'e' represent Alvin's and Elga's ages, respectively.
a = e-12 . . . . . Alvin is 12 years younger
a + e = 86 . . . the sum of their ages is 86
__
Substituting for 'a' gives ...
(e -12) +e = 86
2e = 98
e = 49
a = 49 -12 = 37
Alvin is 37; Elga is 49.
Answer:
475
Step-by-step explanation:
100%-32%=68%
323 x 100=32300/68
=475
The area of the large box is x^2 and the area of the small box is 3^2 which is 9. So the area of the leftover part is x^2-9 or (x-3)(x+3).
Hope that helped.
When exactly one of the integers is negative.
For example, -24*(36)=-864 which is smaller than any of the factors of the integers.
Answer:
R
Step-by-step explanation:
