A helicopter descends at a rate of 275 feet per minute. What integer represents the change in the helicopter's altitude, in feet, after 7 minutes?

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

Consider the system: y = 3x + 5 y = ax + b what values for a and b make the system inconsistent? what values for a and b make the system consistent and dependent? explain

Nine more than four times a number is the same as one less than twice the number. find the number?