Answer:
5*x=7
The answer is made by division
x=7/5
x=1.4
Step-by-step explanation:
Answer:
distributive
Step-by-step explanation:
the number out side the parenthesis, 3 in this case, is being distributed to the numbers inside the parenthesis
Matt will be different because he is basically free handing it and everyone has human errors. but since she is using the technology she shouldn't mess up.
Answer:
Dolphin is 3 feet above the surface of the water.
Step-by-step explanation:
Dolphin is 30 feet below the surface of the water, then its position on the vertical number line is -30.
- She rises 23 feet - add 23,
- sinks 17 feet - subtract 17,
- and finally rises another 27 feet - add 27.
Thus,

Dolphin is 3 feet above the surface of the water.