What is the value of a in the equation 3 a+b = 54, when b = 9? 15
18
21
27

can someone help me with this?

Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Which of the following represents the factorization of the trinomial below? x^2+7x-30