78.5m
Step-by-step explanation:
we know the diameter so now we need to know the radius. Divide by 2 and we get 5.
A = Pi×r²
A = Pi×25
A = 78.5
Travis earns 9 dollars per hour and Natalie earns 11 dollars per hour
Let
y------> the amounts (in liters) of yellow paint
b-----> the amounts (in liters) of blue paint
we know that

so

therefore
<u>the answer is</u>

Are there any other symbols missing in this equation because right now it’s just the variables