Answer:
-360
Step-by-step explanation:
1. Add 9 + 21 and subtract 9 - 21
2. That would be (30)(-12)
3. Then multiply 30 x -12
4. You get -360
On all of them sorry but if i dont know wich one to do then....
Answer:
65,450
Step-by-step explanation:
=a x b
=238 x 275
=65,450
I hope this helps
Pls mark as Brainliest
7r=-7/2
divide both sides by 7 to get r by itself
(7r)/(7) = (-7/2)/(7)
if you don't quite see it, think of multiplying both sides by 1/7 instead (its the same thing as dividing by 7)
(7r)*(1/7)=(-7/2)*(1/7)
r=-1/2
10 because 9 is 45 and then there is 4 students left over who need a guide (please give brainliest:) )
