What is the surface area of the figure below?

A 12 ft?
B 36 ft?
C 54 ft?
D 90 ft2

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9

The value of 3^4 + 5 times 5 answer ! 50 points whoever answers correctly

Marcos works the summer while in college and earns $6,000 working on oil rigs. he files his own return, does not take the personal exemption but claims the standard deduction. how much would he pay in income tax?