The price of the sofa will be $490
he saved $210 :)
Answer:
-18x^2 -54x + 72
Step-by-step explanation:
I think the answer is ( 28 degrees
C.)
Since the ideal width is 7 cm and can vary by most 0.3 cm. This means the range is 6.7 cm to 7.3 cm Absolute value means that any negative number becomes positive. l 6.7 -7 l and l 7.3 - 7 l both equal 0.3 cm
l w - 7 l </= 0.3
