find the value of xa. 2x=1/4b. 4x= -1/10

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

Which expression is equivalent to 2x^2+7x+4?

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours