Why do people post Khan Academy questions here?

Alyssa had $289 to spend on seven books after buying them she had $16 how much did each book cost

1. Nick has 3 shirts: a white one, a black one, and a blue one. He also has two pairs of pants, one blue and one tan. What is the probability, if Nick gets dressed in the dark, that he winds up wearing the white shirt and tan pants? Show your work.

Two numbers have prime factorizations of 2 2 · 3 · 5 and 2 · 3 2 · 7. Which expression can be used to find their least common multiple? ... ?

Right triangle ABC is reflected over AC, then dilated by a scale factor of 2/3. Which statements about the two triangles must be true? Check all that apply.

How many combinations of 3 rocks can you choose from 8 rocks

Write the function whose graph is the graph of y = X + 3, but is reflected about the y-axis.

Make a word problem with the problem of 30 + 2d ex the outcome of 1,000 divided by x

Solve the linear equation: x-9=3/5x

Which value of x is a solution to the equation below square root 2x+2-4=3?

Find the cost per visit to the nearest cent body fit $238 per year 95