Answer:
$95.38
Step-by-step explanation:
step 1
Find the area of one button
The area is equal to

we have
---> the radius is half the diameter
Convert to meters

assume

substitute

step 2
Find the area of 1,00 buttons
Multiply by 1,000

step 3
Find the cost
Multiply $15 per square meter by the total area of 1,000 buttons

Answer: The answer should be 16x^2-4x
He needs still meeds to earn $38 more because if you add up you get 38
Answer:
the first box
fourth box
fifth box and last box
Step-by-step explanation:
9514 1404 393
Answer:
yes, yes, no, no
Step-by-step explanation:
An equation is linear if no term has a variable with an exponent other than 0 or 1. There can be no products of variables.
The equations with terms x³ or x² will not be linear.
(a, b) linear (yes)
(c, d) not linear (no)