Your answers are a,d,and e. i truly hopes this helps and forgive me if im wrong.
You can use the discriminant rule, which is :
b^2 -4ac
“exactly one solution” means that it is equal to zero
so:
b^2 -4(4)(9)=0
b^2 -4(36)=0
b^2 -144=0
b^2=144
square root both sides
b=12 or -12
hope this helps !
8/12 is equal to 2/3 because 2 x 4 and 3 x 4 equals 8/12
Answer:

Step-by-step explanation:
The result is given by means of some algebraic handling:

- Multiplication of rationals.
- Dividing each term by 2.
- Dividing each term by 2.
- Dividing each term by 3.
Answer:

Step-by-step explanation:
15 Gallon of Gas costs $37.50
To determine the Unit Price, we divide the Total Cost by the number of gallons of gas bought.
Unit Price
