HELP ME! ITS WORTH 55 POINTS PLZ DONT LIE!

The dot plots below show the scores for a group of students who took two rounds of
a quiz:
Round 1
Score
Round 2
8
7
Score
Which of the following inferences can be made using the dot plot? (5 points)
1) The range of each round is the same.
2) There is no overlap between the data.
3) Round 1 scores were higher than round 2 scores.
4) Round 2 scores were lower than round 1 scores.

Plz hurry evaluate the expression a+b where a=8 and b=19

Examine the paragraph proof. which theorem does it offer proof for? prove jnm – nmi according to the given information in the image. jk | hi while jnm and lnk are vertical angles. jnm and lnk are congruent by the vertical angles theorem. because lnk and nmi are corresponding angles, they are congruent according to the corresponding angles theorem. finally, jnm is congruent to nmi by the transitive property of equality alternate interior angles theorem gorresponding angle theorem vertical angle theorem o same side interior angles theorem

Suppose that the function f is defined. , for all real numbers, as follows. _ \ 1/4x² -4 if x≠ -2 f(x)=< /_-1 if x=-2 find f(-5), f(-2), and f(4)