Train a has a speed 15 miles per hour greater than that of train

b. if train a travels 300 miles in the same times train b travels 255 miles, what are the speeds of the two trains?

14 times 2/7 the answer is simplified

9 to the power of 1/2 plus 8 to the power of 1/3

A bag of marbles contains 5 red, 3 blue, 2 green, and 2 yellow marbles. What is the probability that you choose a red marble and then a green marble assuming you replace the first marb

How do you solve this? r^2+32=12r

If f (x) = 2x+2 and g (x) = x^2 what is (g•f) (-4)

Sara likes to collect stamps. She has 68 boxes of stamps with 46 stamps in each box. She decides to share the stamps with her 3 older brothers. After sharing the stamps equally with her brothers, how many stamps does each person have now?

An 80% confidence interval is found to be (0.52, 0.58) what is the sample proportion?

Which best explains why all equilateral triangles are similar? a. all equilateral triangles can be mapped onto each other using dilations. b. all equialeratl triangles can be mapped onto each other using rigid transformations c.

The area of a rectangle is 33 m-, and the length of the rectangle is 5 m less than twice the width. Find the dimensions of the rectangle.

A regular decagon has a side length of 4 centimeters long if the decagon is divided into 10 congruent triangles each has an approximate height of 6.2 centimeters what is the approximate area of the decagon