Answer:
Step-by-step explanation:
Unit rate means how much does it cost for 1 unit
140 for 18ft^2
divide by 18
140/18=7.77777777777777
so the unit rate is $7.78 per square foot
Answer:
x=-5
Step-by-step explanation:
-4x+5=25
-4x=25-5(Subtract 5 from both sides)
-4x=20
x=20/-4
x=-5
Answer:
x=-3
Step-by-step explanation:
5 x - 5 is equal to 2x minus X Minus x 5 x - 2 x is equal to 5 - 8 - 6 x over 3 - -9/3 you get x is equals to - 3