-9.5 because 1/2 simplifies to .5 and 9 is the whole number
Answer:
Step-by-step explanation:
2. 9a +4c=43
a+c=7
The total tickets for adults and children = 7 (a+c =7) 7 people in all
price for adult = $9 (9a) Price per child =$4 (4c)
total price =$ 43
9a +7c = 43
Answer:
The volume of the pyramid is 
Step-by-step explanation:
we know that
The volume of the pyramid is equal to

where
B is the area of the base of the pyramid
H is the height of the pyramid
we have


substitute

3. 28 Quarters and 5 dimes.
Answer:
y = 55x + 15
Step-by-step explanation:
i think this is it, but it might not be right