In a science experiment, Leda reported
the mass of some rock samples. How
much greater was the mass of the sample
with the greatest mass than the sample
with the least mass?
Sample
1
2
3
4
Mass
(in grams)
2.4

9.05

7.79

3.002

A. 11.45 grams
B. 6.65 grams
C. 6.003 grams
D. 5.39 grams

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

What is the range for 31,39,29,34,37,24,36,33,34,28

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?