A helicopter's altitude dropped 275 feet each minute for 5 consecutive minutes. What is the change in the helicopter's altitude over this time period? and abbreviation

Which solution to the equation 3/a+2 + 2/a = 4a-4/a^2-4 is extraneous?

A study was conducted at the University of Waterloo on the impact characteristics of football helmets used in competitive highschool programs.

645.059 rounded to the nearest tenth

Two towns that are 35 km apart are 2.5 cm apart on a map. What is the scale of the map? 1 cm = 14 km 1 cm = 11.5 km 1 cm = 13 km 1 cm = 33.5 km

A ratio to men and women at a lecture is 2 to 5. A total of 63 people are at the lecture. How many are men?

Solve for x in the equation x + 10 = 15. A. x = - 5 B. x = 25 C. x = 10 D. x = 5

Monica is 400 miles away from home while her sister, Mary is 300 miles away. Say monica travels at a speed of 50 miles per hour and Mary travels back at a speed of 40 miles per hour. Solve the system of equation and graph it.

He net of a square pyramid is shown below. What are the possible areas for a single face in this net? Check all that apply.

Which graph best represents the solution to the system of equations shown below? y = - 2x + 14 y = 2x + 2

True or False: For any two integers a and b, (a-b) ^2 = a^2-b^2