Timmy can usually make six paper airplanes in an hour. However, if he gets interrupted by his parents, he can only make four per
hour. His friend John can make seven paper airplanes per hour.
r
One day, Timmy and John decide to have a three-hour long
contest to see who can make the most paper airplanes. During
the contest, Timmy is interrupted once every hdur. John also had
to take a break and do chores for an hour. How many more paper
airplanes does the winner make?

r(0,90)(x,y) . t(-5,0)

last option

step-by-step explanation:

∆def to ∆d"e"f"

- rotate 90 counterclockwise degrees

- then translated 5 to the left (x --> x - 5)

answer is the last option

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.

sina-sinb

cosb+cosa

tana-tanb

cos0+cos x pi/3

20tan

step-by-step explanation: