Answer:
y = 9
Step-by-step explanation:
Using the sine ratio in the right triangle and the exact value
sin45° = 
sin45° =
= 
Multiply both sides by y
y × sin45° = 9, that is
y ×
= 9
Multiply both sides by 
y = 9
D the formula is v=(pie)(r)2(h)
Sorry I don’t have the right tools to do the equation right. But it’s D
16.5 mg of calcium per tablet × 20 tablets=
330 mg of calcium
the answer to ur problem will be -7/5
The answer is 481.6, because 56% = 0.56, so just multiply 860 by 0.56 and u get 481.6