Oblicz :
a) 36 do potęgi 3 przez 9 do potęgi 3
b) ( 1 i 4/5 ) do potęgi 10 razy (5/9) do potęgi 10
c)(-0,6)do potęgi 5 przez 6 do potęgi 5
d)( - 3/20) do potęgi 4 przez ( 1/20) do potęgi 4

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120