A special truck cleans the surface of the ice rink shown. The figure is composed of a square and two semicircles. 85 ft
85 ft
If the truck cleans the entire surface, how many square feet of ice will the truck clean?
Use 3.14 for T. Round your answer to the nearest tenth.
The truck will clean about
square feet of ice.

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Can someone tell me if this is perpendicular? !