Answer:
4.5
Step-by-step explanation:
15% of 30 is 4.5
Answer:
x= -13
The value of x is negative
Step-by-step explanation:
Answer:
The base is reducing at a rate of 3.4cm per min.
Step-by-step explanation:
Let The Height of the Triangle, h
Area of the triangle = A
Area of a Triangle, 
When 



The base is reducing at a rate of 3.4cm per min.
Answer:
The triangle is a obtuse triangle
Step-by-step explanation:
Answer:
2+i times the square root of 7