A helicopter flies over a city. The helicopter changes its altitude by -42.9 m. Then it changes its altitude by another – 15.4 m. What is
the total change in the helicopter's altitude?

Does anyone know of a quizlet or something for edmentrum /plato algebra 1

Several paint mixtures are made by mixing blue paint and white paint. paint colors blue paint white paint mixture a 5 cups 12 cups mixture b 6 cups 6 cups mixture c 4 cups 12 cups mixture d 5 cups 6 cups which mixture has the highest ratio of blue paint to white paint

The equation ip| = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn?