Help plz i must put in the squares just ÷or× to get the result 3⁹⁹,*i jusr can put ×or÷ in the squares
help me plzzz i will thank you so much,​​​

What value of x is in the solution set of –5x – 15 > 10 + 20x?

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

Zack and tia played chess for 50 min they put the chessboard away at 11: 20 when did they start