Question 4 of 10 If ABCD is an isosceles trapezoid, what is the value of x?
AC - 7x - 21
BD-5x + 13
A
o
A. 25
O B. 32
O C. 17
O D. 18
O E. 26.5
F. Cannot be determined

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

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x