Answer:
-3
Step-by-step explanation:
divide 7 on both sides -21/7 = -3
w=-3
Consider, pls, this option:
1. if a required line has a form y=ax+b, then points A(-1;6); B(6;k) and C(20;3) belong to it.
2. According to the item 1 it is possible to make up the system of equations for A and C:

Knowing, that a=-1/7 and b=41/7, it is possible to write the equation of required line:

3. Using coordinates of point B:

Answer: 5.
Answer:
1/3; 33% chance
Step-by-step explanation:
1/2 (prob. of tossing tails) * 2/3 (prob of rolling < 2) = 1/3
Answer: Hi my name is Alice and here is your answer for your question: D, A repeating decimal 13
Answer:
4.25 yards
Step-by-step explanation:
Area of rectangle = Base x Height
or
Height = Area of Rectangle ÷ Base
In this case, Area =38.25 sq yards and Base = 9 yards
Height = 38.25 ÷ 9 = 4.25 yards