10% of 13 is 1.3 so 13+1.3= 14.3
C=pi*d
=22/7*7
=22
22 is the circumference of first circle
C. $360
$224x4=896 (total profit)
$896 (total) - $536 (first month profit) = $360 (second month profit)
F(x)=2x+3. easy as that, just replace y with f(x)
Answer:
-x² + 8x - 7
Step-by-step explanation:
Step 1: Write expression
(7 - x)(x - 1)
Step 2: FOIL (First Outside Inside Last)
7x - 7 - x² + x
Step 3: Combine like terms
-x² + 8x - 7
