Please help us with Plato: Select all the correct answers. Which vectors represent the reflection of the vector across the x-axis?

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?

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?

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two