Answer:
81
Step-by-step explanation:
square root of 729= 9
9×9=81
Sophia's mom is 22 inches taller than Sophia.
Answer:
-3x+36
Step-by-step explanation:
the slope is -3, so just add an x.
the y intercept is 36
put them a together and you get -3x+36
Answer

Solution
Simplify both sides of the equation.

We are left with d = 4+
Add

Hence, d = 
An inscribed angle in a semicircle is always90 degrees