How many solutions does the equations 3(x+2)-10+4x-6x have?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points