Apainter used a ladder to reach a second-story window on the house he is painting. the bottom of the window is 24 feet above the ground. the foot of the ladder is 7 feet from the house. how long is the ladder

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?