The distance covered by a car is directly proportional to the time taken. The car covers 91km in 3.5hours. how far does it cover in 2.5 hours? And if it travels 110.5km how long has it been travelling?

Three consecutive integers have a sum of 87. find the integers.

Y-2x^2=-3 graph of the function?

Show work for 3 2/3 * 17

A student works two different jobs. At the first job, they earn $8.50 per hour working at a fast food restaurant. At their second job, they are paid $25 to take care of landscaping at their neighbor's house once a week.

A bag contains 6 red and 10 black marbles. if you pick a marble from the bag, what is the probability that the marble is black?

Each side of an equilateral triangle measures 9cm. Find the height, h, of the triangle.

F (x) = 3x + 1 and f-1 = then f (2) =

A family daycare center charges a one-time $80 enrollment fee and $90 per week (w). Write an equation for the total cost (t) based on the number of weeks (w that a child is enrolled.

How do I solve this: 180 - (2x-40) its a geometry problem.

Find the greatest common factor for this number pair. 30, 8