Joe flew his small airplane 900 km in 5 hours flying with the wind. He flew 700
km against the wind in 7 hours. Find the
rate at which he flew in stil air and the rate
of the wind.

answer: 1 and 3

step-by-step explanation:

step-by-step explanation:

i found the koficent of the linear function and i foun c acordind to the strict formula y=kx+c and then i took 2 as an x and replacet it on the formula i found and then foun the y

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: