What’s cos 19 pi / 12

Evaluate the integral. (sec2(t) i t(t2 1)8 j t7 ln(t) k) dt

Let r = 3. what is the value of r + 58?

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