When exercising a person's pulse rate should not exceed a certain limit which depends on his or her age. this maximum rate is represented by the expression 0.8(220-a)where a is age in years. find the age of a person whose maximum pulse is 152.

Most animals give birth during a general time of year. this is because animals naturally breed so that their young will be born at the time of year when there will be adequate food supply. the bar graph shows the number of live births of a jackrabbit native to california over the course of year x. based on the data, which of the following would be an appropriate conclusion? a) in general, rabbits give birth during the spring months b) in general, rabbits give birth during the summer months c) in general,m california jackrabbits give birth during the spring months d) in general, california jackrabbits give birth during the summer months

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Which graph depicts the path of a projectile