allison burns 15 calories per minute on the elliptical and 12 calories per minute on the treadmill. If she spent one hour at the gym on these two machines and burned a total of 774 calories, how long did she spend on the elliptical?

in 1900, a certain country's population was 76,199,547 and is area was 2,946,710 square miles. in 1980 the country's population was 279,473,159 and its area was 3,709,407 square miles. the population density, to the nearest tenth in 1900 was

What does it mean for rows to be linearly independent?

What are the factors that can lead to one or both types of diabetes? Check all that apply inherited genes balanced diet obesity viruses in the environment exercise

What is 34 percent of 20

Find: (4x2y3 + 2xy2 - 2y) - (-7x2y3 + 6xy2 - 2y) Place the correct coefficients in the difference. x2y3 + xy2 + y

What is the solution of y=5x and y=4x+1

Solve the problem PV = k for V

A gift store is ordering calendars to resell. the table shows the cost for the given number of calendars. what is the best value A) 6 calendars for $114 B) 8 calendars for $144 C) 10 calendars for $160 D) 15 calendars for $180

A rectangular roof shingle is 10 inches long and 7 inches wide. What is it's area?

En un salon de 35 alumnos se tiene que hay 4 varones por cada 3 mujeres? cuantas mujeres hay en el el salon de clases?