Answer:
y = 
Step-by-step explanation:
Given y varies directly as x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition
x = 3 when y = 7
k = 
= 
, thus
y = x ← equation of variation
When x = 7, then
y = × 7 =
The answer is <span>C. $69,740 because 350*12+45*12+65,000=$69,740</span>
Answer: Simplified, this is -x^2 -2x + 8
Answer:
Question 3: d
Question 4: a
Step-by-step explanation:
Substitute the letters for the numbers that they give you.
