Answer:
the simplified expression is: 6y-7x
Step-by-step explanation:
-y+7y= 6y
-7x
= 6y-7x
Answer:
Step-by-step explanation:
Answer:
Ginny will cast 2525 spells
Step-by-step explanation:
The ratio of spells Luna casts to spells Ginny casts is:
Luna :4
Ginny :5
4 spells of Luna is equivalent to 5 spells of Ginny
1 spell of Luna is equivalent to 5/4 spells of Ginny
Luna casts 2020 spells
It means Ginny will cast
spells
i.e. Ginny will cast 2525 spells
The area of a circle is radius x 3.14
The radius is 4, so 4*3.14 is 12.56.
So the answer is B for question 5
Hope this helped. ☺