For homework, brooke has 15 math problems, 5 social studies problems, and 9 science problems. use mental math to determine how many problems she has for homework. tell which property you used.

29 problems

Step-by-step explanation:

Brooke has some problems for her homework.

Math problem = 15

Social studies problem = 5

Science problem = 9

We will add all the problems to get the total number of problems.

She has total problems for her homework = 15 + 5 + 9

                                                                      = 29 problems

We used addition to solve this question.

answer: $34.31

step-by-step explanation:

$11.99 x 3 = $35.97

$35.97 - 10% = $32.37

$32.37 + 6% = $34.31

r and t.

both are 64 degrees.