Can you simplify 4+6(3)+2(5 1/2 -1)

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label