Asample of a compound made up of various elements totals 90 ounces. if the total amount of lead in the compound weighs 23 ounces, what percentage of the compound is made up of lead? if necessary, round your answer to the nearest hundredth of a percent.

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

Write a story that matches with the expression 42x-5 pls hurry

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?