Whe she was in year 8, sarah could run 800 metres in 3 minutes and 20 seconds. Three years later, when she was in year 11, she could run 800 metres in 2 minutes and 44 seconds. Find the percentage improvement in her time.

100ft. Doing the ladder method

What defines the term markup?

Model each problem as an equation, and then match it to its solution. The solutions are 11, 4, and 5.

Three pennies are tossed 50 times. What is the theoretical probability of getting 0 heads

What is the vertex of g (x) = |x-2|+1? (-2, 1) (2, 1) (2, - 1) (-2, 1)

Solve the system of linear equations below. 4x - 3y = 17 5x + 4y = 60

It took jack 4 and half minutes to do 100 multiplication facts how long it takes him to do 150

Mariana graphs the function ƒ (x) = x3 - 4x2 - 3x + 18 and sees two zeros: - 2 and 3. Since this is a polynomial of degree 3 and she only sees two zeros, she determines that the Fundamental Theorem of Algebra does not apply to this equation.

Zach made a batch of cookies with 2/7 of a pound of butter and 2/9 of a pound of sugar. How much more butter than sugar was used?

Ax + r = 7 for r. I tried to do this and I came up with no solution. I just want to make sure I'm correct.