Answer:

Here,
represents temperature and
denotes rate of chirping per minute.
Step-by-step explanation:
Let
represents temperature and
denotes rate of chirping per minute.
At
°F, a certain insect chirps at a rate of
times per minute.
Take 
At
°F, they chirp
times per minute.
Take 
Slope intercept form:


I cant see numbers 2 & 3 im sorry
1. 5 7/30
4. 5 3/4
20% of $20 is $4
So add that amount to the price of the meal and you have $24
Since they split the total cost evenly, the price for each is 24 ÷ 2
= <u>$12</u>
Answer:
55°
Step-by-step explanation:
Since ΔABC is right we can use the tangent ratio to find ∠B
tanB =
=
, hence
B =
(
) = 55°