Answer:
x=6,y= 7
Step-by-step explanation:
-6x +7y= 13
-6x+8y=20
-y = -7
divide through by -1
y =7
sub y= 7 in equation 1
then x= 6
Answer:
n=82
Step-by-step explanation:

Proof:
17+n/3=33
17+82/3=33
99/3=33
33=33
Hope this helps ;) ❤❤❤
Answer:
1A=c 1b=b
Step-by-step explanation:
Hey I dont know the rest tho wanna talk your really pretty
Answer:
1499
Step-by-step explanation:
Given that :
New discounted price = 1274
Let original price = p
Reduction in original price = 225
Original price is the sum of the reduction and the new discounted price
The Original price = Reduction in original price + new discounted price
P = 225 + 1274
P = 1499
V = l x w x h. Area of the base if also lengh x width, so V = ( area of the base) x h 18 = 4.5 x h.So height : h = 18 / 4.5