Evaluate.
10 • (-4)
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For what values of x is x2 + 2x = 24 true?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?