Answer:
C
Step-by-step explanation:
do that with pithagoras:
20² + 4,5² = x²
400 + 20,25 = x²
420,25 = x²
x = 
x ~ 20,5
Letter C: 20,5 feet
Answer:
54%
Step-by-step explanation:
Answer:
<h2>
2(a + 2b)</h2>
Step-by-step explanation:

When there is a (-) in front of an expression in parentheses, change the sign of each term in the expression.

Collect like terms

Factor out 2 from the expression

Hope this helps...
Good luck on your assignment..
Answer:
y = - c/B + Ax/B
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer:
D
Step-by-step explanation:
Area of H = 25pi
Area of J = 225pi
225pi/25pi = 9