What is the class midpoint of the first class?A. 6 B. 5 C. 4 d.3

It's 90 °f in the shop with high humidity. what pressure will be shown on the high-side pressure gauge (ac system on)?             a.  10 to 50 psi    b.  40 to 140 psi  c.  210 to 290 psi  d.  at least 350 psi

Feedback is given with little or no reservation 1.supportive 2.high-monitoring 3.positive 4.low-monitoring ?

What are spirit and opportunity designed to do?