True ir false: multiplying 7x43, a reasonable estimate of the product is 280? why?

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.

A50% increase followed by 33 1/2% decrease

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|