Timmy buys four T-shirts costing t dollars. for buying four T-shirts he gets a 25% discount on each T-shirt. Write two expressions to represent the cost of the four T-shirts.

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Measure of angles 31 (x+4) (3x+9) me

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2