O Joaquim recortou, num círculo de cartolina com 20 cm de diâmetro, dois quadrados com 2,5 cm de lado e dois triângulos, cada um deles com 15 cm2 de área, conforme observas na figura ao lado. Calcula a área da cartolina, depois de efetuados os recortes. Apresenta o resultado, em centímetros quadrados, arredondados às unidades. Apresenta todos os cálculos que efetuares.

Plz asap what is the range of the cluster in the scatter plot a. between 4 and 8 years of experience b. between $40,000 and $60,000 c. between 6 and 12 years of experience d. between $10,000 and $60,000

You're on a residential construction team doing roofing. the pitch of a roof is 13 rise over run. find the rise if the horizontal run of the roof is 15 feet 34 inches.

Carmen and matt are conducting different chemistry experiments in school. in both experiments, each student starts with an initial amount of water in a flask. they combine two chemicals which react to produce more water. carmen's experiment starts with 30 milliliters of water in a flask, and the water increases in volume by 8.5 milliliters per second. matt's experiment starts with 10 milliliters of water and increases in volume by 28% each second.