3.4/20 divided by 20/20
=.17
The cost per ounce is 17¢
Hi there!

Evaluating f(x) at x = 9 means we must use the piecewise function where x = 9 is included.
f(x) = 12 includes 9 because a "≤" is inclusive of the interval. Thus:
f(9) = 12
Answer:
he cross section becomes smaller but stays a trapezoid.
Step-by-step explanation:
Answer:
function a is linear and its equation is y=(5/3) x
The answer to this question is 90 mm