<span>5y^2 = 405
y^2 = 405/5
y^2 = 81
y = - 9 and y = 9
answer
</span><span>±9</span>
Answer:
x=-7
Step-by-step explanation:
a negative times a negative equals a positive, and 7x7=49, so (-7)(-7)=49
Answer:
she would have 4 gallons of water
Step-by-step explanation:
this is if they all just hold 1 gallon and she has 4 gallons
Answer:
7) no 8) no 9) no 10)yes 11) yes 12) yes 13) k=42 14) c=30 15)a=42
Step-by-step explanation:
Add -4x and 3x to get -x. then divide -1 on both sides. x=-2
