The Answer is....
x=-3 and y=3
(-3,3)
186 student tickests were sold and 135 adult tickets were sold
Answer:
84 sq.m.
Step-by-step explanation:
Given : Sides of triangle are 13 cm,14 cm and 15 CM
To Find :find the area of the triangle
Solution:
We will use heron's formula :
Where
a = 13
b = 14
c = 15
Hence the area of the triangle is 84 sq.m.
Tip: use Heron's formula
Answer:
False.
Step-by-step explanation:
Because 12 and 9 are both multiples of 3.