HELP ME PLZZZ ASAP! Tyler’s work is incorrect. Explain the error he made.

Tyler is simplifying the expression 6 − 2 + 5 + 4. Here is his work:

6 − 2 + 5 + 4

(6−2) + (5+4)

4 + 9

13

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?