Error Analysis A student was asked to find mZ1 and mZ2 given that mZ4 = 112°, mZ1 = (10x – 28)°, and mZ2= (10x - 20)°. He incorrectly said
mZ1 = 30° and mZ2 = 38º. Find mZ1 and mZ2. What mistake might the
student have made?

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work