Given a set A={x|x =a^2, 1 < a < 5} and B={yly = 3b, 1 < b <5} Answer the following
questions
List the elements of A
b. List the elements of B
c. Find AnB
d. Find A UB
e: Let C = AUB, from C find:B'
f. Let C = AUB, from C, find A' U B'.
g. From A, find D: a number less than 3.
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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

Jim has found that he must consume 2,300 calories a day to reach his health goals, but he doesn't want to give up his afternoon snack of pretzels. unfortunately, he tends to eat the entire bag — which amounts to 1,300 calories! what strategy should jim use to improve his habits?

Summarize the work of famous environmental scientists of the past.