Multiply and simplify. (4a + 6b)(2a - 2b) 8a2+4ab−12b2 8a2+20ab+12b2 6a2+4ab−12b2 8a2+4ab+12b2

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?