Có 30 tấm thẻ đánh số từ 1 đến 30. Chọn ngẫu nhiên ra 10 tấm thẻ. Tìm xác suất có đúng 5 tấm mang số chia hết cho 3.

Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

Use the x-intercept method to find all real solutions of the equation. -9x^3-7x^2-96x+36=3x^3+x^2-3x+8

Will give brainliest what is the value of x? enter your answer in the box.