If you are trying to find the area, it's 10ft but idk what's the question here.
Answer:
D is the answer
Step-by-step explanation:
multiple the exponents when the equation is in parenthesis like that! and do 3 cubed which equals 27.
Answer:
class a- 10
class b- 15
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
1. if the mass of coffee worth $10 is 'x', then its worth is 10x, and the worth of the mixture is 5(x+20);
2. using the previous item it is possible to write the next equation:
5(x+20)=4*20+10*x; ⇒ x=4.
3. the required mass is 4 pounds.
The green arrow thing is a ray. So, question b. is a ray. So the dot would be B and the arrow would be C.