Answer:
2,-1.5
Step-by-step explanation:
To find the midpoint of a line segment, take the average of the x coordinates and y coordinates of the two points that make it up.

=

=2,-1.5
Given:
• AD = 3
,
• DC = 27
,
• BD = x + 3
Let's solve for x.
To solve for x, apply the altitude formula:

Where BD is the altitude.
Cross multiply:

Plug in the values and solve for x:

Take the square root of both sides:

Therefore, the value of x is 6 .
ANSWER:
d. 6
Step-by-step explanation:

Subtract 5/8 on both sides
To subtract 5/8 we make the denominators same

Addition or Subtraction property of order is used

Subtract 4x on both sides
Addition or Subtraction property of order is used

Now divide both sides by -1
Multiplication or Division property of order is used

Multiplication or Division property of order is used

She has 501 more pennies than nickles.
Answer: 
a=-3
b=-9
Step-by-step explanation:
