Add seven: +7
to the product of number and 10: 10z
together 10z+7
choose C
Multiply the numbers together
2 x 3 = 6
5 x 7 = 35
6 x 35 = 210
210 is the original number
hope this helps
\left[x \right] = \left[ \frac{-1}{4}\right][x]=[4−1] = x*3 +3x*2+6) - (9x*2-5x+7