Lexie earned $64.38 for working from 8: 00 am to 4: 15 pm. within that time, she took a 1 hour lunch break for which she did not get paid. how much does lexie earn per hour? $ per hour

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply