4x-5y=0
8x+5y=-60
what is the answer by substitution or elimination?

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

Which rule describes the composition of transformations that maps ajkl to aj"k"l"? ro. 900 o to, -2(x, y) to, -20 ro, 900(x, y) ro, 9000 t-2. o(x,y) t-2, 00 ro, 900(x, y)

If y varies as x, and y=8 as x=4 what will be the value of y if x=2