Answer:
The answer rounded to the hundredth is 45.96.
Answer:
independent quantitative.
Step-by-step explanation:
An indepentent variable in an investigation, is the variable that will be changed in order to know how its variation affects the dependent variable.
In this case, the dependent variable is the test scores since Dr Washington will study there is the numeber of hours of study affects the grade the students obtain.
Therefore, the hours of study are the independent variable.
It is also a quantitative variable since it can be counted.
Answer:
°, 
°, and 
°
Step-by-step explanation:
Dilations preserve angle measures, regardless of the scale factor. Therefore, the angle measures of the image will be the same of that of the pre-image, so our answer is still °, °, and °. Hope this helps!
If [x] and [y] are matrices and
[x]+[y] = [y]+[x], then
(a) the matrices have the same number of rows and columns,
(b) the operation of matrix addition is commutative.
Answer: commutative
