ANSWER ASAP PL What is the lowest common denominator of 3/4 and 5/6? And which is bigger?
plz answer both

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)