A footballer in a training session ran 30km north and then change his direction and ran a further 70 km west. He completed his run in 55 minutes. Calculate his average speed and average velocity

Solve for x where 0 equation: cot^2x+2cotx+1=0

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.

Which equation represents h for right triangle abc