Answer: Reid scored 1 and Maria scored 5.
Step-by-step explanation:
5 x 2 = 10
10-4= 6
5 + 1 = 6
First, fint the roots of the equation
1.

2. You can see that this equation has two different real roots. Note that you can make this statement without finding roots, only knowing the value of discriminant: since D=81>0, then the equation has two different real roots.
Answer:
60
Step-by-step explanation:
400-160=240
240/4=60
Answer:
Step-by-step explanation:
Identity property of multiplication: Any number times 1 (unity) is the number itself. 7 times 1 is 7, the number with which we started.
ANSWER

EXPLANATION
The given inequality is,

By the definition of absolute value,

We divide through by negative 1, in the first part of the inequality and reverse the sign to get,

We simplify now to get,


Divide through by 2 to obtain,