Answer:
Step-by-step explanation:
-i= -i
-i^2= 1
-i^3= -i * 1 = -i
-i^4= 1 * (-1) = -1
-i^5= -i
-i^6= 1
1.5=1 pound 7.5=5 pounds 10.5=7 pounds 16.5=11 pounds
Answer:
x=-5/2,4
Step-by-step explanation:
It think thw anwser is 15
Answer:
7/10 or 0.7
Step-by-step explanation:
cross multiply to get 40x+20=48
subtract 20 from both sides to get 40x=28
divide both sides by 40 to get 7/10
HOPE THIS HELPS!!!:)