Which number from the set {9, 10, 13, 15} is the solution to this equation 3(x - 7) = 9

A) 9

B) 10

C) 13

D) 15

Simplify the expression 10/11(22z) + (a+5) -1

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?