A teacher wrote a question on the board to which 42.5
%
of the
40
students in her class could not give the correct answer.

What is the number of students who answered correctly?

What is the perimeter of square abcd? units units 28 units 37 units

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Піf x = y and y= z, which statement must be true? оа. -x = -2 b. x= z ос. —x = 2 od. 2= x