Two common envelope sizes are 3 1/2 in. x 6 1/2 in. and 4 in. x 9 1/2 in. Are these envelopes similar? Explain.

*Using Similar Figures*

Which equation can be simplified to find the inverse of y = 2x2?

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?