The ratio of money in Brian's wallet to Colin's wallet one day was 7:2. Brian spent £39 that day.

Brian now had £4 less than Colin.

How much did they initially have altogether?

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

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?