Ava is 23 cm taller than olivia, and olivia is half the height of lucas. if lucas is 1.78 m tall, how tall are ava and olivia? express their height in centimeters

What is the equation of a line passing through (-6,5) and having a slope of 1/3

Mikes car gets an average of 28 mpg. there are 12 gallons of fuel in mikes car when he starts his trip of 140 miles. about how many gallons are left at the end of his trip?

Consider a= {x|x is alive} f={x|x is in france} m={x|x is a national monument} w{x|x is a woman}. which statements are true regarding elements of the given sets? check all that apply.