Natalie works in a shop and earn $43 per day. she earns an extra $3 for each toy she sells. if natalie wants to earn at least $70 per day, which ineaquality shows the minimum number of toys, n, that she should sell?

What are the solutions to the equation 4x2+3x=24-x

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?