Mary borrowed $11,000 at 5% intrest for 4 years

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24

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)