Answer: -1410
Step-by-step explanation:
Let's start by subbing in -4 for x

Now we can solve

Putting a ladder up against a straight wall. The sides of the triangle are:
1: the ladder
2: the walls
3: the ground from the wall to the ladder
Answer:
solution
Step-by-step explanation:
Answer:
y=-0.215x^2+35
Step by Step:
Let,
,
,
, 
We know that, the general equation of the parabola.


Substitute the value of
in equation
and find the value of 







Hence, the equation of the parabola is:

Answer:
8/14
Step-by-step explanation:
there are 5 odd numbers and 3 numbers are coloured red