Angle a measures (2x + 23)°. angle b is supplementary to angle a and measures (4x + 46)°. write and solve an equation to find the value of x.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

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?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?