Mike is saving money for a new bike that costs $180.00. ​​If m represents the amount of money he has saved ​so far, which expression represents the amount of money,​in dollars, he still needs to save?

A. 180 + m

B. 180 - m

C. 180 x m

D. 180 ÷ m

Find the magnitude of the torque about p if an f = 80-lb force is applied as shown. (round your answer to the nearest whole number.) ft-lb

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?