I have no idea when you posted this but I hope this helps you in time!!
A² = b² + c²
30² = 18² + 24²
18, 24, 30
Answer:
65%
Step-by-step explanation:
formula is (og(original) price - sell price ÷ og price)*100
820-287=533
533÷820=0.65
0.65x100=65
65%
-10c+70, just distribute the the -10 to everything in the expression
Answer:
36.575
Step-by-step explanation:
you need to find line ab you can do 
for the triangle and get the line you also need to get the squar root of it as it is still squared then devide by 2 to get the rades then times that by pi and there you go you have the area also sorry for spelling I love math not English
