Answer:
7/8
Step-by-step explanation:
The numbers that are not 3 are 1, 2, 4, 5, 6, 7, and 8.
7 out of 8 numbers.
P(not 3) = 7/8
B I'm pretty sure since p is the unknown number.
Answer:
Dimensions of rectangle are 
Step-by-step explanation:
Area of rectangular knitted blanket = 
We need to find the dimensions of blanket.
If we need to find the dimensions, we need to find the factors of area.
Factoring: 
We will break the middle them -11x
- Adding 4x-15x we get -11x
- Multiplying 4x and -15x we get -60x^2 (Product of -6 and 10x^2)
Now, finding factors

So, factors of
are 
So, dimensions of rectangle are 
Answer:
a) y = 
b) x = 4
Step-by-step explanation:
a) 
3y + 2 = 20y - 5
2 = 20y - 3y - 5
2 = 17y - 5
2 + 5 = 17y
7 = 17y
y = 
b) x² + 5 = 21
x² = 21 - 5
x² = 16
x = √16
x = 4
Answer:
C) 8
Step-by-step explanation:
The Distributive property says a(b+c)=ab+ac, using this knowledge, follow the steps provided below to solve the problem :)
1) Distribute -5 to a and 3:
-5a-15=-55
2) Add 15 to both sides:
-5a=-40
3) Divide both sides by -5:
a=8