Answer: 70 degrees
Step-by-step explanation:
An exterior angle and the interior angle it corresponds to are supplementary.
Answer:
44.95
Step-by-step explanation:

Two decimal places = 44.95
Answer:λ= v X f
v= λ X f
f= λ X v
v= λ / f
Step-by-step explanation:
The tip is $6.21
with that being said, 34.50 + 6.21 = 40.71
the total cost is $40.71
It is given in the question that
Ann, Chang, and Kareem sent a total of 89 text messages over their cell phones during the weekend. Ann sent 9 fewer messages than Chang. Kareem sent 3 times as many messages as Ann.
Let number of messages Chang sent be x. And Ann sent 9 fewer than Chang, so Ann sent (x-9) messages. And Kareem sent 3 times as many messages as Ann, so Kareem sent 3(x-9) messages.
And the total messages are 89. That is

Combining like terms

So Chang sent 25 messages, Ann sent

And Kareem sent
