Answer:
1.30%
2. 30 questions
3. 60%
Step-by-step explanation:
Answer:
slope = -7/4
Step-by-step explanation:
Plug the points into this formula: 
Plug in

The simplest form is -7/4
Hope this helps ya! Keep smiling!
Answer:
False
sin (y) / cos (y) = cos (y)
cos (y) could be any value from -1 to 1.
Step-by-step explanation:
The equivalent expression to the given expression is 
<h3>What is an algebraic expression?</h3>
Algebraic expressions are mathematical expressions. They usually consist of one or more variables with their coefficients and arithmetic operators such as: (division, multiplication, addition, and subtraction).
From the given expression, we are to determine an expression that is equivalent to:

To do this, we are going to simplify the above-given expression to its lowest term since we are not given any options to choose equivalent expressions from.
By doing so, we have:





Learn more about solving algebraic expressions here:
brainly.com/question/4344214
#SPJ1
Answer:
r = correlation coefficient
Step-by-step explanation: