A.23/6
b.23/8
c.26/5
d.64/9
16.5 mg of calcium per tablet × 20 tablets=
330 mg of calcium
X= -15
First, we want to combine like terms.
4x-10=20+6x
Subtract 4x from both sides
-10=20+2x
Subtract 20 from both sides
-30=2x
Divide by 2 to isolate the variable
X= -15
Answer:
(D) 
(E)
has a range of all real numbers.
Step-by-step explanation:
Given the function: 

When y=f(x)=0

Therefore, 
Also,
has a range of all real numbers.
Therefore, Options D and E are correct.