Factorise completely 9a^2-1

Fatores 2m^4 - 18n^6

When is buying a house and renting it out a profitable venture?

4. Create the recursive definition for the sequence: 100,80,60,---

An expression is shown. 57.9*0.086 What is the value of the expression?

Liam bought 5 7/8 pounds of steak. He used 2 1/16 pounds of the steak for a cookout. Which is the best estimate of how many pounds of steak Liam has left

William earns $15 each time (t) he mows a lawn. Which equation can be used to determine how many lawns William mowed if he earned $75?

Solve for x: 9^ (x-8) = 3^ (4x-12)

Trey is estimating the length of a room in his house. The actual length of the room is 17 m. Trey's estimate is 15 m. Find the absolute error and the percent error of Trey's estimate. If necessary, round your answers to the nearest tenth.

Which ordered pair is a solution of the equation y = 4x? (1, 3) (-1, - 4) (-4, - 1) (1, - 4)

A bowl contains 3 red, 8 blue, and 7 black beads. Margaret randomly selects 3 beads one after the other without replacement. Find the probability of getting a red, blue, and black bead, in that order.