Answer:
12
Step-by-step explanation:
2x-4
Subsitute x for 8 2(8)-4
Simply 16-4
12
Answer:
Yes
Step-by-step explanation:
1/2 + 6/6
= (1*3)/(2*3) + 6/6
= 3/6 + 6/6
= 9/6
= 3/2
So the fraction 1/2 make the equation true.
The company spends $649 on advertising
The sales function after advertising is given as:

When the total sales is $19,100, we have S(x) = 19100
So, the sales function becomes

Subtract 5 from both sides

Divide both sides by 7

Take exponents of both sides


Subtract 1 from both sides

Hence, the company spends $649 on advertising
Read more about functions at:
brainly.com/question/12940982
Answer:
22 cm²
Step-by-step explanation:
Radius = 3.5 cm
Area of a circle = 2πr
= 2×22/7×3.5
= 2×22×0.5
= 22×1
= 22 cm²