How many liters each of a 50% acid solution and a 60% acid solution must be used to produce 80 liters of a 55% acid solution? (Round to two decimal places if necessary. )

Idon’t understand! 15 points for whoever answers correctly! write an equation for the lion, and one for the zebra. then, plot the points on an x, y chart going up to 8. plot both points on the

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable