Please answer correctly and quickly all question

Step-by-step explanation:

1. 8=2x+4

8-4=2x

4=2x

x=2

2. 2x+3=9

2x=9-3

2x=6

x=3

3. 6y=54

y=54/6

y=9

5. 3= x/2

x=6

8=2x+4

4=2x

2=x

2x+3=9

2x=6

x=3

6y=54

I'm not sure about question #4

3=x/2

6=x

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.