Agroup of 5 painters can paint a house in 21 hours. how long would it take for a group of 7 painters to paint the same house?

For the given quadratic equation convert into vertex form, find the vertex and find the value for x=6 y=-2x^2+2x+2

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Give me the equations of two lines that have the same slope but are not parallel.