3/4-3=43 Thsts the answer hopes it help
14. 6.4 blocks
15. 1.78
16. 7.47
B because B is the answer
Xz+y+1=z. given
y+1=z-xz. subtraction property of equality
y+1=z(1-x) distributive property of multiplication over addition/factoring
(1+y)/(1-x) = z division property of required, given x≠1