Answer:
I believe it's D. (3,4)
Step-by-step explanation:
A equals 3, and after plugging that in and simplifying, you're left with B=4.
<em>Hope this helps!</em>
Answer:
first one
Step-by-step explanation:
he adds 5(7) to his collection then 8(4) too and after wards he throws away 2
30% is the percentage increase, hope I helped :)
24 pens divided by 2 boxes equals 12 pens per box.
Answer:
57.5
Step-by-step explanation:
The constant of proportionality is "k" in the equation ...
y = kx
It can be found from values of x and y using ...
k = y/x
For the given values, it is ...
k = (287.5 mi)/(5 h) = 57.5 mi/h
The constant of proportionality relating miles to hours is 57.5.
