Answer:
PQ = 23, QR = 17
Step-by-step explanation:
The answer comes from using proportions. 3lbs to 14 people. Turn that into a fraction, then make a second fraction with 55 as the denominator. Find a common denominator for both denominator values, and multiply the numerators to find the missing value.
Answer:
Domain is all real numbers
Range is

Step-by-step explanation:
The given function is

This is a maximum quadratic function therefore the domain is all real numbers.
Let us complete the square to find the vertex.




Therefore the range is


See graph
Answer:
n = 2
Step-by-step explanation:
0.5n - 2 - 3 = 3 - 2n -3
0.5n + 2n = 2 + 3 + 3 -3
2.5n = 5
n = 2