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:
-15 plus or minus the square root of 65 all over 4 (All over means fraction)
For this case we must simplify the following expression

We know that, by definition:

So, rewriting the expression we have:

We add similar terms taking into account that:
- Equal signs are added and the same sign is placed.
- Different signs are subtracted and the major's sign is placed:

Answer:

Answer:
Times 10 magnify
Step-by-step explanation:
Answer:
first and third
Step-by-step explanation:
Emma used the product instead of the quotient and forgot the parentheses in x-4.5