Jack has $25 to spend at the mall what is an inequality that symbolically expresses the amount of money, that jack can spend

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota