You have $20 to spend on taxi fare. the ride costs $5 plus $2.50 per kilometer.

write an inequality to determine the distance in kilometers, d, you can ride for $20.

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

Simplify this expression. 8x 16(x + y)

Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.