Solve all and explain 1. (-4,2),y=-x+3

2. (5,-1),y=-3/5x-3

3. (-1,-7),3x+12y=-6

4. (1,-5),y =1/8x+2

10010010001010010101001001010010100101010010101010010010101010110010001011010010010001

step-by-step explanation:

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:

answer:

your answer is: c. 196 7/8 in^3.