Solve (x + 2 < 5) (x - 7 > -6). {x | -6 < x < 5}
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{x | x < 3 or x > 1}

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

Proving the congruent supplements theorem

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.