Temp is 30C and relative humidity is 90%, what is the percentage of oxygen by volume in the air.

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)