Answer:

Step-by-step explanation:
Given


Required
Solve
Substitute 9 for x in 


Remove bracket




Simplify fraction

Answer:
82.5 grams
Step-by-step explanation:
11*7.5=82.5
Answer:
13/18
Step-by-step explanation:
Answer:
a² + b² = c²
28² + 45² = c²
784 + 2025 = 2809
Square root of 2809 is 53
The hypotenuse is 53
Answer:
2700=1500+0.05x
Step-by-step explanation: