Answer:
He invested $1200 and had a balance of $1260 after 3 years.
Using Heron's formula:
A = √(p(p-a)(p-b)(p-c)) where a,b,c are the sides of the triangle and p is half the perimeter.
The answer is B. 149.4 square units.
Answer:6.5
Step-by-step explanation:35-15=20, 20-12=8, 8-1.50=6.5
Answer:
23.68
Step-by-step explanation:
74% = 74/100
· 
= 23.68
The left side can be written as a square. We can take the square root, then subtract 1.
... (x +1)² = 17
... x +1 = ±√17
... x = -1 ±√17
