Mary wanted to add to her collection of model planes and trains. She wanted to
add 5 model planes which cost $19 each and 3 model trains which cost $199
each. Which of the following is a good estimate of how much money Mary spent?
A. $650
B. $700
C $750
D. $800
E. $850

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse. a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?