Devin wants to add a train station to his model railroad layout. how tall should the model be if the real building is 360 inches and the scale factor is 1: 90?
0.25 in
2.5 in
4 in
32,400 in

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

Consider this equation. |y + 6| = 2 what can be concluded of the equation? check all that apply. there will be one solution. there will be two solutions. the solution to –(y + 6) = 2 will be also be a solution to the given absolute value equation. the solution(s) will be the number(s) on the number line 2 units away from –6. the value of y must be positive since the variable is inside absolute value signs.

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%