the formula for the area of a triangle is a=1/2bh in which b represents the length of the base and h represents the height. If a triangel has an area of 287 mm and the height is 18 mm, what is the b=meausre of the base?

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.