How do u do cross multiplication

What is the length of the diagonal of a square with a side that measures 11 centimeters

Solve the equation 5 ( - 3x - 2) - (x - 3) = - 4 (4x + 5) + 13 #RandomQuestionforyou #Algebra1

The perimeter of a rectangle is 82 feet. Find the length and width of the rectangle is the length is 7 feet more than the width

Kylie opened a bank account. She deposited $76.50 into her account every month for 10 months. She used $30.50 every month to pay for singing lessons. After 10 months, she used 1 over 4 of the total money left in her account to go to a talent camp.

In the diagram on the right, ABC=65 find each of the following

F (x) = x^2+4 solve using the quadratic formula

Round 28.33 the the nearest hundredth

Built in 1599, the Globe Theatre was home to William Shakespeare and his performing company, The Lord Chamberlain's Men. It was a circular amphitheater that stood 3-stories tall and had a diameter of 100 feet.

If 3 is added to a number and the sum is tripled , the result is 21 more than the number. find the number.

The lengths of the base of a trapezoid is 12ft and 5ft the height is 96 in what is the area of the trapezoid