The triangular based pyramid ABCD is shown. The base ABC is a right-angled triangle and
the pyramid has a volume of 72 cm
D
D is directly above A.
AB = AC
AD = 2 x AB
The length AB is labelled x.
JC
The formula for the volume of a pyramid is:
1/3×area of base×perpendicular height​

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?

Jack is considering a list of features and fees for current bank: jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements? a. $44 b. $104 c. $144 d. $176

Im so bad at fractions they are not my best math thing to work on