If δefg ~ δlmn with a ratio of 4: 1, which of the following is true? segment ef over segment lm equals segment fg over segment ln segment ef is congruent to segment lm segment ef over segment lm equals segment fg over segment mn segment eg is congruent to segment lm

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

Acompany produces items in small batches. the machinery needs to warm up before the items can be produced. the scatterplot shows the time needed to produce batches of different numbers of items. based on the line of best fit, which of these statements is true?

Brian's school locker has a three-digit combination lock that can be set using the numbers 5 to 9 (including 5 and 9), without repeating a number. the probability that the locker code begins with a prime number is %. the probability that the last digit of the locker code is an odd number is %.