Solve the system of equations, if there are infinitely many solutions write answers in terms of z.

x+4y-2z=-3
2x-y+5z=12
8x+5y+11z=30

x=
y=
z=

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

You’re giving a cube with a length of 2.5 cm and a width of 2.5 cm and a high of 2.5 cm you place it on a scale and it is 295 g calculate the density

47: 4 aisha changed 1.45 + 2.38 to 1.5 + 2.4 in order to estimate the sum. what estimation method did she use?