Answer:
0.53
Step-by-step explanation:
The product of 5 and n is written as
.
Two less than this product is 
Diameter D of the trampoline = 17 feet
The circumference C, of the trampoline is calculated by the formula:

Put D = 17 feet, π=3.14

The cirucmference o
Answer:
28
Step-by-step explanation:
Use the pythagorean theorem and solve for a:
a² + b² = c²
a² + 21² = 35²
a² + 441 = 1225
a² = 784
a = 28
So, the missing length is 28.