How do I do number 4

its 6.40

Step-by-step explanation:

you have to use the distance formula which is

so points C is (-5,-1) and D is (0,3)

then you substitute the x

0--5=5^2

then

3--1+4^2=16

25+16=41

then square rout that and it equals 6.40

4

step-by-step explanation:

6 (donuts) divided by 3 is 2.

so 2/3 means 2 times 2, which is 4/6.

you get two and your friend gets four.

the formula of a slope:

we have the points (-2, 7) and (2, 3). substitute: