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Define the relation M @ N as M @ N = M2 + 2M/N. What is the value of 9 @ 4? Express your answer as a common fraction. Substituting 9 for M and 4 for N in the given relation, we get 9 @ 4 = 92 + 2 × 9...

Darcy has two part-time jobs during her summer vacation. She works part-time as a counselor at a local day camp, and she has another part-time job as a lifeguard at the community swimming pool. Darcy...

The lunchroom workers at Guffey Middle School can move a total of 600 students through 5 lunch lines in exactly one hour. How many students move through each lunch line per minute? With 600 students...

Logan created a poster to advertise the Harvest Festival at his school. For the poster’s border, he traced an elm leaf 20 times on an 8-inch by 10-inch sheet of construction paper. After all 20 of the...

Biotechnology is a field of engineering that uses living systems to produce a wide range of technologies and products used in medicine, energy, fuels and sensors. You can see biotechnology in action...

Now that the 2022 School Competition has been released, here are some problems from the 2021 equivalent to the School Competition for extra practice! Sprint Round, #18 Jan and Jerome are mixing red...

In honor of Sally Ride’s accomplishments and contributions to inspiring women in STEM, the U.S. Mint is releasing a quarter with her likeness in 2022 as part of the American Women Quarters Program. On...

While snowstorms in Middle Town, USA routinely leave up to 5 feet of snow on the ground, the first winter snowstorm deposits, on average, 18.7 inches of snow. According to the public works department...

This time of year, various religions and cultures celebrate a variety of holidays, and there are as many reasons for celebrating as there are religions and cultures. One theme runs through all holiday...

Geomatics engineering is all about geographic information. Geomatics engineers collect this data (such as dimensions of plots of land, details of natural land formations, elevation, angles and...