2y + 3z when y=3 and z=5/3 HELP ASAP!!

11

Step-by-step explanation:

So when y=3 and z=5/3 you replace y and z with that number that is equivalent to it (meaning replace y with 3 and z with 5/3)

2(3)+3(5/3)

Multiply:

6+5

Add:

11

So when y=3 and z=5/3 the answer will be 11

#15. square

step-by-step explanation:

because quadrilatural (idk how to spell it) means somthing that is not 3d or like, equal sides (or somthing like that   you know what i meanz)

hope this halps!

bai!

is there any photos or whatever?