Mary has 200ml of hand sanitizer that is 15% alcohol. She mixes it with 200ml of a hand sanitizer that is x% alcohol,
How many milliliters of water is in the resulting mixture of hand sanitizers?

Consider the system: y = 3x + 5 y = ax + b what values for a and b make the system inconsistent? what values for a and b make the system consistent and dependent? explain

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

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t