Two lines that cross each other have each pair of angles the same.
2x+6=96 --> x=45
B. Because the divisor, 4.2, has only value in the ones and tenths places, so we only have to multiply by 10 to get to 42, which is the whole number you need.
28 because 1/4th of 28 is equal to 7
I'm pretty sure the answers are correct because on the question it says for every 8ft is one inch
I belive this is -3x+3/x^3
hope this helps!