It's 11 degrees.
Since you have to do 4 - -7, you can leave the seven, change the subtraction sign to an addition, and make -7 the opposite (7), the equation would be 4 + 7, making it 11 degrees.
A=1/2ab
Replace the variables with their value
15=1/2(3/2)b
Multiply 1/2 and 3/2

15=3/4b
Divide 3/4 on both sides
15/(3/4) is the same thing as

45/4=b
Answer:
3/21 14%
Step-by-step explanation:
there are 21 houses and 3 are blue
15 Days will pass because since the Least Common Multiple (LCM) is 15 they’ll both meet on the 15th day
I’m pretty sure it’s cheese