Highly confused and this is a test pls help

The height is 4

Step-by-step explanation:

The height will be the distance from the  upper tip to the bottom.

If we draw a straight line from the upper tip to the bottom we can form a right triangle. The base of the right triangle will be 3 since the base of the whole shape is 6 and divided by 2 is 3. The right triangle's height is unknown but its hypotenuse  will be 5. Using the Pythagorean theorem we can find the height by using the formula a^2 + b^2 =c^2  where  a and b are the two heights and c is the hypotenuse.

Now input 3  for a and 5 for c and solve for b the height.

3^2 + b^2 = 5^2

9 + b^2 = 25

-9            -9

   b^2 = 16

   b=

 b= 4

In this case the height will be 4.

bru

step-by-step explanation:

5x + 3y = - 4

step-by-step explanation:

the equation of a line in standard form is

ax + by = c ( a is a positive integer and b, c are integers )

express the line first of all in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (7, - 3) and (x₂, y₂ ) = (4, - 8)

m = = -

y = - x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (4, - 8 ), then

- 8 = - + c ⇒ c = -

y = - x - ← in slope-intercept form

multiply all terms by 3 to eliminate the fractions

3y = - 5x - 4 ( add 5x to both sides )

5x + 3y = - 4 ← in standard form