If a school bought 1,000 erasers as part of an order for supplies. the total cost of the erasers was $30. what was the cost for 1 eraser?

Last year amusement park received 236,758 visitors it was open every day of the year but 7 holliday’s what was the average number of visitors to the park per day

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles. i'm desperate.

What is the base of 1/9 to the power of 2