exam Maths Puzzle Numerical Ability

Can anyone help? Thank you so much

Solve x squar+3x+3=0 by using the Quadratic Formula (eg. 6, I)

I use College Algebra Book ISBN-13 978-0-618-77629-0

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p=1/2mv^2 solve for m The length of a rectangle is 7 in. more than twice its width. If the perimeter of the rectangle is 32 in., find the width of the rectangle.