A rectangular picture measuring 3 in. by 7 in. is surrounded by a frame with uniform width x. Write a quadratic function in standard form to show the combined area of
the picture and frame.

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

The relative growth rate for a certain type of fungi is 60% per hour.a small culture has formed and in just 6 hours the count shows to be 20,273 fungi in the culture.what is the initial number of fungi in the culture?