Answer:
a+4/5=1/3 because + means more than
Step-by-step explanation:
Answer:
The markup for the shoes is 20 percent.
Step-by-step explanation:
Answer:
a=4 and b=-1
Step-by-step explanation:
2(4)+3(-1)= 5
Answer:
x=7
Step-by-step explanation:
1. Use the Pythagoras theorem
13^2 = x^2 + 5^2
solve for x and youll get the height of the roof.
2. let x = length of the rpoe)-
x^2 = 9^2 + 12^2
3. Pythagoras again
20^2 = x^2 + 12^2
