What are the least common denominator of the four fractions listed below? 20 7\10 , 20 3\4 , 18 9\10 ,20 18\25. a: 2. b: 40 c: 50 or d: 100?

Which expression is equivalent to (4x^3*y^5)(3x^5*y)^2 \a) 24x^13*y^7b) 36x^13*y^7c) 36x^28*y^7d) 144x^16*y^12

Factor the monomial completely 42a3b3

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?