Need answers asap
the interior angles formed by the sides of a quadrilateral have measures that sum to 360°.
what is the value of x?

enter your answer in the box.

x =

Translate this phrase into an algebraic expression. 21 more than twice goran's savings use the variable g to represent goran's savings. need to know fast.

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g

Which expression is equivalent to the square root of 2 multipllied by 5 divided by 18