If x= -8 and y=-4, evaluate the expression.

During each minute of a comedy show, carlin laughs 55 times. carlin watches 33 comedy shows every day, and each show is 40 minutes long. how many times does carlin laugh every day due to the comedy shows?

Ling is using fraction strips to add 2/3 and 7/12's the sum is one whole plus how many twelves?

△def is similar to △stu. write a proportion that contains st and su.