Element X decays radioactively with a half life of 15 minutes. If therd are 230 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to
decay to 33 grams?

Given: quadrilateral talk is a parallelogram. prove: ta congruent lk and al congruent kt

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°