Answer:
6y+44
Step-by-step explanation:
Answer:
35%
Step-by-step explanation:
The percent change is calculated as
× 100%
change = 222.75 - 165 = 57.75, thus
% change =
× 100% = 0.35 × 100% = 35%
If there were 6 pieces and Keith ate 2 of the pieces, then there would be 4 pieces left.

and when you reduce it it would be
Answer:
180° rotation
Step-by-step explanation:
The triangle and its image are shown below.
The image is formed by a 180° rotation about the origin, every coordinate is inverted, that is, (x, y) ⟶ (-x, -y).
It is not formed by a 90° rotation or by a reflection across either axis.
Answer:
The value is 
Step-by-step explanation:
From the question we are told that
The mean is 
The standard deviation is 
The safest water level is between 7.2 and 7.8
Generally the probability that the selected pool has a pH level that is not considered safe is mathematically represented as

Here

Generally 
So
=>
From the z-table the probability of (Z < -1.5) and ( Z <1.5) are

and

So
So

=> 