That symbol represents "plus out minus". usually represents uncertainty if it is beside a number.
e.g. 3± 0.3 means that the actual answer lies between 2.7 and 3.3
Answer:
He needs about 12.5 gallons with 0.5 left over.
Step-by-step explanation:
9 weeks because 12x9= 108 and 108 is more than Malik need to repay but 108-12=96 less than needed so it is 9 weeks
9514 1404 393
Answer:
(c) output increases, then decreases ...
Step-by-step explanation:
The given function is quadratic, so it has a turning point. Neither linear nor exponential functions have a turning point, so are always increasing or decreasing.*
The second attachment shows a plot of the function with input on the x-axis and output (area of the rectangle) on the y-axis.
_____
* A linear function that is a horizontal line will be neither increasing nor decreasing.