book Maths Puzzle Numerical Ability

Can the solution set of the compound inequality x < -3 0r x > 5 be expressed as -3 > X > 5? Please explain.

Read Solution (Total 0)

book Other Question

I am very confused as to how to Solve each system by the additional method. Can someone help me understand this and solve it please?

17.) x + y = 48
12x + 14y = 628
Can someone out there help me with this problem?

How do I simplify this:

10 lb. 28 oz.


Thanks,
Lyn