In 2002 winter olympics, cartriona lemay doan won the 500-meter race. her winning time was 74.75 seconds. find hee average speed to the nearest tenth of a meter per second.

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?

Which of the following circles have their centers on the x-axis? check all that apply.

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?