robert buys a car for $8000. at the end of each year the value of the car has decreased by 10% of its value at the beginning of that year. calculate the value of the car at the end of 7 years.

Write an equation of a parabola with its vertex at the origin and its focus at (0,-6)

A long distance runner starts a race at 1 m/s. he increases his speed to 3 m/s during the middle of the race and slows down to 2 m/s at the end. in total he runs 2,000 meters in 12 minutes (720 seconds). what is his average speed?

Use a cpmplete sentence to describe a relationship between two sets that you can describe mathematically

Where would a plane intersect a cube to form an equilateral triangle.

Which property is illustrated by the following statement? 5z + 1 = 1 + 5z

27 less than twice a number is negative 1

Which function below represents exponential decay?ƒ (x) = 0.5 (2) xƒ (x) = 4 (0.25) xƒ (x) = 2 (1.3) xƒ (x) = (-3) x

What is the answer to x=4

Last week Lisa had gross earning of $441.30. Cathy receives a base salary of $375 and a commision on sales exceeding her quota of $5000. What is her rate of commision if her sales were $6560?

What is the area of a rectangle which is 57 cm long and its breadth is 34 cm? One weird question for you to answer, what's my name?