A student was asked to find the length of the unknown leg of the right triangle. He incorrectly said that the length of the unknown leg of the right triangle is about 6.2 cm. Find the length of the unknown leg of the right triangle. What mistake might the student have​ made?

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?