Charmaine's penny bank is 2/3 full. after she removes 160 pennies, it is 4/9 full. how many pennies can charmaine's bank hold?

Use your knowledge of the binary number system to write each binary number as a decimal number. a) 1001 base 2= base 10 b) 1101 base 2 = base 10

There are a total of 75 students in the robotics club and science club. the science club has 9 more students than the robotics club. how many students are in the science club?

What is the midpoint of np if n (1,9) and p (-5-1)