Hi I have a calculus problem An airplane is flying on a heading of 110o at a constant speed of 525 km/h. If the wind speed vector is 40 km/h at 210 degree, what is the speed vector of the airplane? (Shows diagram of velocity vectors relative to North.)

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b