15) Determine o valor numérico das expressões: a) 2° -2° -22 =
b) (-10)2 - 102 =
c) (-4) - (-4) =
d) (-2) + (-9)° - (-3)2 =
e) (-7)2 + (+3).(-4)-(-5) =
f) (-7)10 : (-7)5
g)-(-2 + (-1).(-3)]? =​

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions