Please help! Solve 2x+6 < 10 or 2x +8 > 20.

Ahomeowner plans to hang wallpaper on one wall of a bedroom that is 10 feet long if a stripe of wallpaper is 20 inches wide and stripes or hung vertically how many stripes on wall paper with the homeowner required

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!