The college bookstore is having a back to school sale . T-shrits that usually sale for 34.50 are marked down to 20.7 what percent off are they?

Which shows one way to determine the factors of  x3  +  5x2  –  6x  –  30 by grouping? x(x2  –  5)  +  6(x2  –  5)x(x2  +  5)  –  6(x2  +  5)x2(x  –  5)  +  6(x  –  5)x2(x  +  5)  –  6(x  +  5)

What are different types of statistical programs

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.