What is x in 2 (x+20) = 90

When working with the square root of a number, when would you have only a positive answer and when would you have both a positive and negative answer?

A cargo box is 3 meters wide, 5 meters long and 6 meters tall. Find the surface area of the box. This is a rectangular prism. A. 63 meters squared B. 14 meters squared C. 48 meters squared D. 126 meters squared

Which number is irrational? A. 3 over 8 B. square root of 56 over 8 end root C. fraction numerator square root of 36 over denominator square root of 4 end fraction D. Syntax error from line 1 column 53 to line 1 column 60. Unexpected '0'.

What is (2 - (4/x+2)) / (5 + (10/x+2)) ?

Which conversion factor would you use to convert from meters to feet?

How can you write 45.6 in words

What is 506 divided by 22

Radius equal 13.2km. What is the answer?

Which statements are true about slices of a right rectangular prism?

The sum of 3 times a number and 4 is between - 8 and 10