How many gallons of a 70% antifreeze solution must be mixed with 70 gallons of 20% antifreeze to get a mixture that is 60% antifreeze? Use the six-step method

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?

Why does the shape of the distribution of the weights of russet potatoes tend to be symmetrical?