Create a model for how much Benium will be left after t-thousand years, and a model for how much Nassium will be left using the same time scale

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

For what value of (y) is 3^3/3^y =1/9

Abcd is a square. what is the measure of angle bac