Figure A is a scaled copy of figure B. figure A maps to figure B with a scale factor of 1 1/2. what is the value of x?

What is the range? can’t seem to find it out

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false

Whoever gets this right gets the ! the half life of a soul smelling substance is 4 years. if you have 8 oz of this strange substance, how much of it will you have after 20 years? show work.