exam Maths Puzzle Numerical Ability

Solve for x:
A)(3^2x)-(10(3)^x) +9=0
B)(3^x)(3^(x+3))/(27^x)(9^2x)=729

Read Solution (Total 0)

exam Other Question

next term in the sequence 81,27,9,3,... Can someone help me find the slope and the y-intercept:

y = x

What would it look like?

Thanks,
Ashley