What is the first step in subtracting 23 3/7 - 14 4/7? a) make 4/7 improper. b) make 23 3/7 improper. c) simplify. d) find the lcd.

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.

9 x 8 divided by (5-3)=36

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: