a lab technician wishes to mix a 10% salt solution with a 2% salt solution to obtain 6 liters of a 4%solution. How many liters to nearest tenth if needed of each solution should be mixed?​

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Carmen ayer en el mercado compro 3/4 kg de guayabas, 6/8 kg de peras, 1/2 kg de naranjas ¿cuantos kilogramos de fruta compro?

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.