A As a jewelry consultant, Sue makes
commission off each item she sells. If her sales
are $500, she makes a commission of $150.
How much commission does she earn if she
makes $850 in sales?

step-by-step explanation: a reaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is:

96 39 cause 135 -96=39 im smart (i used a calculater)

y/x of point b= y/x of point a

step-by-step explanation:

(i got the same question, this was the correct answer.)