Given <span>20 yards for $30.00, unit rate = $30 / 20 yards = $1.5 per yard
Given 40 yards for $45.00, unit rate = $45 / 40 yards = $1.13 per yard
Given 50 yards for $70.00, unit rate = $70 / 50 yards = $1.4 per yard
Given 65 yards for $85.00, unit rate = $85 / 65 yards = $1.31 per yard
The best deal is the cheapest rate which is 40 yard for $45.00
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The answer to this question would be marked as true
Answer:
2
Step-by-step explanation:
Answer:
squareroot of x - 4. x must be greater than or equal to 4
Step-by-step explanation:
y=x^2+4
x^2 = y - 4
x = squareroot of y - 4
It implies that the square root of the function y=x^2+4 is
squareroot of x - 4
