Anna is biking at x miles per hour . sara bikes at 10 mi/h. which expression represents the average of anas and sara’s speeds

Step-by-step explanation:

Alright lets get started.

Speed of Anna is : x miles per hour

Speed of Sara is :  10 miles per hour

We are asked to find the average of both speeds.

For finding the average, we need to add both speeds and then divide by 2.

So average speed =

Average speed =  :   Answer

Hope it will help :)

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

answer: city needs 2.4 inches of rainfall more to match the record of 40 inches.

step-by-step explanation:

since we have given that

total annual rainfall a city record = 40 inches

this year, total rainfall recorded = 37.6 inches

number of inches of rainfall   is needed to match the record of 40 inches is given by

hence, city needs 2.4 inches of rainfall more to match the record of 40 inches.