Answer:
f(-5)=30
Step-by-step explanation:
in this scenario you want to plug in -5 for x which will give you an equation of f(-5)=(-5)^2+5 which evaluates to 30
Answer: r = 1/9
<u>Step-by-step explanation:</u>
y = rx --> 



Answer:
$1881.25
Step-by-step explanation:
Final cost of the computer

Answer:
= EC
Step-by-step explanation:
21² + 18² = EC²
441 + 324 = EC²
765 = EC²
= EC
Simplified:
= EC
Hope this helps!