Choose the correct proportions.

4, 5, 20, 1

a) 1:4 = 5:20
b) 1:5 = 4:20
c) 4:20 = 5:1

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

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

True or false? a circle could be circumscribed about the quadrilateral below.