Tim had $150 to spend on 3 pairs of pants. After buying
them, he had $30 left over. What equation expresses how
much each pair of pants cost?
A.30x/3=150
B.3x-30=150
C.3x = 180
D.3x + 30 = 150
NEED THIS BY TODAY!!!

Eric drew a scale drawing of a country park. the scale he used was 1 inch = 2.5 yards. the picnic area is 80 yards wide in real life. how wide is the picnic area in the drawing ?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

How do you write something in scientific notation?