Log\frac{}{2} 3=a, log\frac{}{2} 5=b. Express the following in terms of a and b (a) log\frac{}{2} 60.(b), log\frac{}{4} 0.2.(c), log\frac{}{3}25.

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)

Use stokes' theorem to evaluate c f · dr where c is oriented counterclockwise as viewed from above. f(x, y, z) = xyi + 5zj + 7yk, c is the curve of intersection of the plane x + z = 8 and the cylinder x2 + y2 = 81.

What is the inverse of the function fx = 2x-10