Subtract the equations.

5x + 4y = 25

(5x + 2y = 3)

It was once believed that all of the bodies of the solar system were perfect spheres with absolutely nothing on their surfaces. How did Galileo disprove this notion in the early 1600s? A. He used a gyroscope to measure the gravity of Jupiter. B.

Sanah and Madiyah share some money in the ratio 4:3. Sanah gets £60. How much does Madiyah get?

How do you simplify 2/3 divided by 6

Find the equation of the line that has a slope of - 9 and a y-intercept of 6.

Do you change the sign in a inequalities if there is a negative number

Wake up cereal comes in 2 types, crispy and crunchy. If researcher has 10 boxes of each, how many ways can this be done?

Which city is cooler, Mobile (3°F) or Memphis (9°F) ?

A composite figure has three congruent triangles removed from it. A square and a rectangle. The square is 8 feet by 8 feet, and the rectangle is 16 feet by 8 feet. 3 triangles are cut out of the figure.

A diderenca do carro azul 1/2e so verde 1/4

A box is tossed upward from a cliff that is 15 meters high, at a speed of 4 meters per second. The height of the box is given in meters by h (t) = -4.9t^2+4t+15 where t is seconds. What is the height of the box at 1 second?