12. If a = 1, b = 2 and c= -3, find
a) 4a'b? b) 3b²c2
e) abboca
f) ab+c bc+a ca + b​

What is the smallest integer n such that n\sqrt{2} is greater than 20

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96