What are the solutions these equations have?
4x-10y=-20
6x-15y=-30

Which choice represents the sample space ,s for this event

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21

Evaluate the expression. (9 + 5)(3 + 2)0