Charlotte receives a weekly allowance from her parents. She spent half of this week's allowance at the
movies, but
earned an additional $4 for performing extra chores. If
she did not spend any additional money and finished the
week with $12, what is Charlotte's weekly allowance?
a. Write an equation that can be used to find the
original amount of Charlotte's weekly allowance. Let a
be the
value of Charlotte's original weekly allowance.
b. Solve the equation to find the original amount of
allowance

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

2,10,-50 next two numbers geometric sequence