Jenny spent 35 minutes doing research on the internet. she finished at 7: 10 p. m. at what time did jenny start her research?

What are the sotions to the quadratic equation 9x^2=4

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500