Which expression is equivalent to 2x + x2 + 3x + 5x2 - 10x?
a) x
b) x2
c) -5x + 6x2
d) 15x + 6x2

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Martha needs 22.25 strawberries for every 5 smoothies she makes. complete the table to see how many strawberries she would need to make 10 smoothies and 20 smoothies.

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?