Evaluate (4.2x10^6) (5.7x10^8)

Round 24.316 to the nearest tenth

If x=3/4 when y=24 find c when y=12

What are the mean and the mean absolute deviation (MAD) of each data set? Set 1: {4, 4, 4, 6, 7, 7, 8, 8} Set 2: {6, 8, 8, 8, 8, 8, 8, 10} Enter your answers in the boxes.

A researcher is interested in whether the color of an animal's surroundings affects learning rate. she tests 16 rats in a box with colorful wallpaper.

Solve the system of liner equation by substitiotom 6x-9=y and y=-3x

Ivan plans to reorganize the music on his MP3 players. He has 9 1/3 music of rock and hip-hop. After the change he is planning, he will have 2 4/5 times as many hours if rock and hip-hop music on his MP3 players.

2x+5d-9*2c+844+233+2*+78d

At a pen factory 3 out of 80 pens are defective. If the factory produces 7680 pens in a day, how many will be defective?

Is it more efficient to solve - 3x+y=1 for x? why or why notes

How many cups is in 1 liter