Answer:
4
similar right triangles


Step-by-step explanation:
Answer:
-30
Step-by-step explanation:
-|-30-(10-20)|-|5-(10-15)|=-|-30-(-10)|-|5-(-5)|
=-|-30+10|-|5+5|
=-|-20|-|10|
=-(20)-(10)
= -20-10
= -30
3y (y is the unknown number but it represents one number only... and also 3y represents 3 multiply by y)
You have to convert the 30 inches into you know what and add them all together
Answer:
7
Step-by-step explanation: