A man stands at A and looks at point Y across the river. He gets a friend to place a stone at X
so that A, X and Y are collinear. He then
measures AB, BX and XC to be 15 m, 30 m and
45 m, respectively. Find CY, the distance across
the river.​

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

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?

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²