Answer:
4 m.
Step-by-step explanation:
Length of ladder, L = 4.50 m
Base of ladder from the wall, B = x
Height of the wall, H = 2x
Using Pythagoras theorem




Height of the wall is equal to 2 x 2 = 4 m.
Answer:
-1
Step-by-step explanation:
-1/2(2)=-1
Answer
The last one
y+2=-(x+8)
Answer:
an increase of 12%
Step-by-step explanation:
68 divided by 77 is 0.88 approximately
100-88 is 12
Tip:
do this for increase and decrease in percentage question
divide small number by big number, and subtract the quotient from 100
There a absolute value so mark out the negative and 25 / by 16 is 1 so 1 is your answer if you really do the problem on paper