Somebody help The graph shows the calling charges of two cell phone companies. At how many minutes do the two companies charge
20
18
cell phone
company A
16
14
+
+
10
Charges
cellphone
company B
10 20 30 40 50 60 70 80
Time (minutes)
OA 0
OB. 15
OC 20
OD 40

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4? r^2. write your answer in scientific notation.