2. He can break his strand of 10 blocks into 3 3 times 4. I think it is 74 blocks are needed.
8x-9y=19
4x+y=-7
Multiply all terms of the 2nd by (9)===> 36x + 9y= 63
add (36x 9y= 63) to the 1st ===> 44x+0y = -44 ===> x=-1
replace x by this value in any of the equation & you'll get y=-3
1. is just ·
2. is ------->
3. an angle like number 4
4. is an "acute angle"
5. P and Z
6. V and M
7. A and T
Multiply by the conjugate for the numerator
