Point Y is the center of dilation. Triangle A B C is dilated to form triangle A prime B prime C prime. If CA = 8, what is C'A'?
a. 10 units
b. 12 units
c. 16 units
d. 20 units

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain