María compra un abrigo que tenía un precio de 100 euros, que está rebajado en un 70%, y le cobran un iva del 14%. ¿Cuánto dinero pagó por el abrigo?

An astronaut drops a rock into a crater on the moon. the distance, d(t), in meters, the rock travels after t seconds can be modeled by the function d(t)0.82. what is the average speed, in meters per second, of the rock between 5 and 10 seconds after it was dropped?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Solve 2x+y=3 x+y=5 in substitution method