The graph of the equation y = ax^2 + bx - 6 is completely below the x-axis. If a^2= 49, what is the largest possible integral value of b?

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

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?