Running at a constant rate, Miguel ran 8 miles in a time of 120 minutes. how many minutes does it take Miguel to run 4 miles?

A.) 45 min.
B.)30 minutes
c.)60 minutes
d.) 75 minutes

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3

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?