At what height above the planet’s surface is the temperature 0C

Which expression shows the sum of the polynomials with like terms grouped together

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6