Dinosaurs have been extinct for about 6.5 X 10 years, while Neanderthals have been extinct for about 30 x 109 years. About how many times longer have dinosaurs been extinct than Neanderthals?
1000 times longer
20,000 times longer
2000 times longer
O 10,000 times longer

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Which expression is rational? 6. , square root two, square root 14, square root 49